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19137554680607 = 1123472677601201
BaseRepresentation
bin1000101100111110011110…
…01001100000101100011111
32111202112101002102212022222
410112133033021200230133
510002022202444234412
6104411400553455555
74013433305534036
oct426371711405437
974675332385288
1019137554680607
11610921177a670
122190ba04115bb
13a8a8820b473c
144a239678771d
15232c29817072
hex1167cf260b1f

19137554680607 has 32 divisors (see below), whose sum is σ = 22256902047744. Its totient is φ = 16281169344000.

The previous prime is 19137554680603. The next prime is 19137554680613. The reversal of 19137554680607 is 70608645573191.

It is a happy number.

It is not a de Polignac number, because 19137554680607 - 22 = 19137554680603 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 19137554680607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19137554680603) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31531607 + ... + 32132807.

It is an arithmetic number, because the mean of its divisors is an integer number (695528188992).

Almost surely, 219137554680607 is an apocalyptic number.

19137554680607 is a deficient number, since it is larger than the sum of its proper divisors (3119347367137).

19137554680607 is a wasteful number, since it uses less digits than its factorization.

19137554680607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603959.

The product of its (nonzero) digits is 38102400, while the sum is 62.

The spelling of 19137554680607 in words is "nineteen trillion, one hundred thirty-seven billion, five hundred fifty-four million, six hundred eighty thousand, six hundred seven".

Divisors: 1 11 23 47 253 517 1081 2677 11891 29447 61571 125819 601201 677281 1384009 2893837 6613211 13827623 28256447 31832207 152103853 310820917 649898281 1609415077 7148881091 17703565847 37016546771 75642508619 407182014481 832067594809 1739777698237 19137554680607