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444699257107 = 7223394586741
BaseRepresentation
bin1100111100010100010…
…01000010100100010011
31120111211212002220100211
412132022021002210103
524241221002211412
6540143024224551
744062030213600
oct6361211024423
91514755086324
10444699257107
111616611568a6
1272228a6b157
1332c201514c1
14177489076a7
15b87ac2cca7
hex678a242913

444699257107 has 12 divisors (see below), whose sum is σ = 539794663056. Its totient is φ = 364598147760.

The previous prime is 444699257029. The next prime is 444699257179. The reversal of 444699257107 is 701752996444.

It is not a de Polignac number, because 444699257107 - 27 = 444699256979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444699257207) 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, 197292244 + ... + 197294497.

It is an arithmetic number, because the mean of its divisors is an integer number (44982888588).

Almost surely, 2444699257107 is an apocalyptic number.

444699257107 is a deficient number, since it is larger than the sum of its proper divisors (95095405949).

444699257107 is a wasteful number, since it uses less digits than its factorization.

444699257107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394586778 (or 394586771 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 58.

The spelling of 444699257107 in words is "four hundred forty-four billion, six hundred ninety-nine million, two hundred fifty-seven thousand, one hundred seven".

Divisors: 1 7 23 49 161 1127 394586741 2762107187 9075495043 19334750309 63528465301 444699257107