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40155553513 = 234788741879
BaseRepresentation
bin100101011001011101…
…010001111011101001
310211122111202110210201
4211121131101323221
51124214310203023
630240332512201
72621043400405
oct453135217351
9124574673721
1040155553513
1116036843769
12794801b661
133a2c37716a
141d2d100105
1510a04b1bad
hex959751ee9

40155553513 has 16 divisors (see below), whose sum is σ = 42842234880. Its totient is φ = 37549154896.

The previous prime is 40155553489. The next prime is 40155553531. The reversal of 40155553513 is 31535555104.

It is a de Polignac number, because none of the positive numbers 2k-40155553513 is a prime.

It is a super-2 number, since 2×401555535132 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40155553583) 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, 937908 + ... + 979786.

It is an arithmetic number, because the mean of its divisors is an integer number (2677639680).

Almost surely, 240155553513 is an apocalyptic number.

It is an amenable number.

40155553513 is a deficient number, since it is larger than the sum of its proper divisors (2686681367).

40155553513 is a wasteful number, since it uses less digits than its factorization.

40155553513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42836.

The product of its (nonzero) digits is 112500, while the sum is 37.

The spelling of 40155553513 in words is "forty billion, one hundred fifty-five million, five hundred fifty-three thousand, five hundred thirteen".

Divisors: 1 23 47 887 1081 20401 41689 41879 958847 963217 1968313 37146673 45271199 854373479 1745893631 40155553513