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141141000781 = 1112831000071
BaseRepresentation
bin1000001101110010101…
…0001100001001001101
3111111022100200201120101
42003130222030021031
54303024044011111
6144501141251101
713124414466124
oct2033452141115
9444270621511
10141141000781
11549484629a0
122342ba03a91
1310404099ba1
146b8cda0abb
153a10ea5bc1
hex20dca8c24d

141141000781 has 4 divisors (see below), whose sum is σ = 153972000864. Its totient is φ = 128310000700.

The previous prime is 141141000739. The next prime is 141141000817. The reversal of 141141000781 is 187000141141.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 141141000781 - 219 = 141140476493 is a prime.

It is a super-2 number, since 2×1411410007812 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141141000701) 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, 6415500025 + ... + 6415500046.

It is an arithmetic number, because the mean of its divisors is an integer number (38493000216).

Almost surely, 2141141000781 is an apocalyptic number.

141141000781 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

141141000781 is the 168013-rd centered decagonal number.

It is an amenable number.

141141000781 is a deficient number, since it is larger than the sum of its proper divisors (12831000083).

141141000781 is a wasteful number, since it uses less digits than its factorization.

141141000781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12831000082.

The product of its (nonzero) digits is 896, while the sum is 28.

The spelling of 141141000781 in words is "one hundred forty-one billion, one hundred forty-one million, seven hundred eighty-one", and thus it is an aban number.

Divisors: 1 11 12831000071 141141000781