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28311937300401 = 3192393207564001
BaseRepresentation
bin1100110111111111000101…
…11101110011011110110001
310201020121001120220121221020
412123333202331303132301
512202330321422103101
6140114154025050053
75651320125240546
oct633774275633661
9121217046817836
1028311937300401
119026030573a97
123213062626929
1312a4a5bb87651
146dc43b1b8bcd
153416d2493136
hex19bfe2f737b1

28311937300401 has 16 divisors (see below), whose sum is σ = 39752657663040. Its totient is φ = 17873751168000.

The previous prime is 28311937300397. The next prime is 28311937300411. The reversal of 28311937300401 is 10400373911382.

It is not a de Polignac number, because 28311937300401 - 22 = 28311937300397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28311937300411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103645600 + ... + 103918401.

It is an arithmetic number, because the mean of its divisors is an integer number (2484541103940).

Almost surely, 228311937300401 is an apocalyptic number.

It is an amenable number.

28311937300401 is a deficient number, since it is larger than the sum of its proper divisors (11440720362639).

28311937300401 is a wasteful number, since it uses less digits than its factorization.

28311937300401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207566416.

The product of its (nonzero) digits is 108864, while the sum is 42.

The spelling of 28311937300401 in words is "twenty-eight trillion, three hundred eleven billion, nine hundred thirty-seven million, three hundred thousand, four hundred one".

Divisors: 1 3 19 57 2393 7179 45467 136401 207564001 622692003 3943716019 11831148057 496700654393 1490101963179 9437312433467 28311937300401