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230687078611 = 1120971552601
BaseRepresentation
bin1101011011011000000…
…1010111100011010011
3211001102222102210112111
43112312001113203103
512234421343003421
6253550504410151
722444432546333
oct3266601274323
9731388383474
10230687078611
11899199295a0
1238860776957
13189a4b4b162
14b24589d0c3
15600256bee1
hex35b60578d3

230687078611 has 4 divisors (see below), whose sum is σ = 251658631224. Its totient is φ = 209715526000.

The previous prime is 230687078597. The next prime is 230687078641. The reversal of 230687078611 is 116870786032.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 230687078611 - 25 = 230687078579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (230687078641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10485776290 + ... + 10485776311.

It is an arithmetic number, because the mean of its divisors is an integer number (62914657806).

Almost surely, 2230687078611 is an apocalyptic number.

230687078611 is a deficient number, since it is larger than the sum of its proper divisors (20971552613).

230687078611 is a wasteful number, since it uses less digits than its factorization.

230687078611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20971552612.

The product of its (nonzero) digits is 677376, while the sum is 49.

The spelling of 230687078611 in words is "two hundred thirty billion, six hundred eighty-seven million, seventy-eight thousand, six hundred eleven".

Divisors: 1 11 20971552601 230687078611