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144031695787 = 7225571149559
BaseRepresentation
bin1000011000100011110…
…1010100001110101011
3111202202211001020122101
42012020331110032223
54324434103231122
6150100043034231
713256145133300
oct2061075241653
9452684036571
10144031695787
11560a1156931
1223ab7b0b977
1310774c304c5
146d84c730a7
153b2eb58027
hex2188f543ab

144031695787 has 12 divisors (see below), whose sum is σ = 167612745360. Its totient is φ = 123407350416.

The previous prime is 144031695779. The next prime is 144031695799. The reversal of 144031695787 is 787596130441.

It is not a de Polignac number, because 144031695787 - 23 = 144031695779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144031695767) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 449487 + ... + 700072.

It is an arithmetic number, because the mean of its divisors is an integer number (13967728780).

Almost surely, 2144031695787 is an apocalyptic number.

144031695787 is a deficient number, since it is larger than the sum of its proper divisors (23581049573).

144031695787 is a wasteful number, since it uses less digits than its factorization.

144031695787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152130 (or 1152123 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 55.

The spelling of 144031695787 in words is "one hundred forty-four billion, thirty-one million, six hundred ninety-five thousand, seven hundred eighty-seven".

Divisors: 1 7 49 2557 17899 125293 1149559 8046913 56328391 2939422363 20575956541 144031695787