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38006511206399 = 3123928118255431
BaseRepresentation
bin10001010010001000101001…
…00110010111111111111111
311222120101110010001201100222
420221010110212113333333
514440144313332101044
6212455541125011555
711001610530633461
oct1051042446277777
9158511403051328
1038006511206399
111112351a825aaa
124319abb853bbb
131828cc9ca8c58
1495574c6aa131
1545d9836a58ee
hex229114997fff

38006511206399 has 16 divisors (see below), whose sum is σ = 39536884408320. Its totient is φ = 36496255656000.

The previous prime is 38006511206383. The next prime is 38006511206401. The reversal of 38006511206399 is 99360211560083.

It is a cyclic number.

It is not a de Polignac number, because 38006511206399 - 24 = 38006511206383 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38006511206399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38006511206359) 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, 7045787 + ... + 11209644.

It is an arithmetic number, because the mean of its divisors is an integer number (2471055275520).

Almost surely, 238006511206399 is an apocalyptic number.

38006511206399 is a deficient number, since it is larger than the sum of its proper divisors (1530373201921).

38006511206399 is a wasteful number, since it uses less digits than its factorization.

38006511206399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18255982.

The product of its (nonzero) digits is 2099520, while the sum is 53.

The spelling of 38006511206399 in words is "thirty-eight trillion, six billion, five hundred eleven million, two hundred six thousand, three hundred ninety-nine".

Divisors: 1 31 239 281 7409 8711 67159 2081929 18255431 565918361 4363048009 5129776111 135254488279 159023059441 1226016490529 38006511206399