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138282068436 = 223293311126461
BaseRepresentation
bin1000000011001001000…
…0001110100111010100
3111012221010002220200020
42000302100032213110
54231200202142221
6143305332345140
712663521121321
oct2006220164724
9435833086606
10138282068436
1153710693796
12229724751b0
13100699a7945
14699b3d9b48
1538e4ec9ac6
hex203240e9d4

138282068436 has 48 divisors (see below), whose sum is σ = 324802977408. Its totient is φ = 45788636800.

The previous prime is 138282068413. The next prime is 138282068459. The reversal of 138282068436 is 634860282831.

It is an interprime number because it is at equal distance from previous prime (138282068413) and next prime (138282068459).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1030246 + ... + 1156706.

It is an arithmetic number, because the mean of its divisors is an integer number (6766728696).

Almost surely, 2138282068436 is an apocalyptic number.

It is an amenable number.

138282068436 is an abundant number, since it is smaller than the sum of its proper divisors (186520908972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

138282068436 is a wasteful number, since it uses less digits than its factorization.

138282068436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127072 (or 127070 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 51.

The spelling of 138282068436 in words is "one hundred thirty-eight billion, two hundred eighty-two million, sixty-eight thousand, four hundred thirty-six".

Divisors: 1 2 3 4 6 12 293 311 586 622 879 933 1172 1244 1758 1866 3516 3732 91123 126461 182246 252922 273369 364492 379383 505844 546738 758766 1093476 1517532 37053073 39329371 74106146 78658742 111159219 117988113 148212292 157317484 222318438 235976226 444636876 471952452 11523505703 23047011406 34570517109 46094022812 69141034218 138282068436