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155026642012 = 2211171910908151
BaseRepresentation
bin1001000001100001001…
…1101101010001011100
3112211011001222101101221
42100120103231101130
510014443310021022
6155115050543124
714125463500144
oct2203023552134
9484131871357
10155026642012
115a823552750
1226066137aa4
1311807aa8748
1477091c9924
154075049cc7
hex24184ed45c

155026642012 has 48 divisors (see below), whose sum is σ = 329862516480. Its totient is φ = 62830944000.

The previous prime is 155026642007. The next prime is 155026642019. The reversal of 155026642012 is 210246620551.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155026642019) 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, 5439864 + ... + 5468287.

It is an arithmetic number, because the mean of its divisors is an integer number (6872135760).

Almost surely, 2155026642012 is an apocalyptic number.

It is an amenable number.

155026642012 is an abundant number, since it is smaller than the sum of its proper divisors (174835874468).

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

155026642012 is a wasteful number, since it uses less digits than its factorization.

155026642012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10908202 (or 10908200 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 155026642012 in words is "one hundred fifty-five billion, twenty-six million, six hundred forty-two thousand, twelve".

Divisors: 1 2 4 11 17 19 22 34 38 44 68 76 187 209 323 374 418 646 748 836 1292 3553 7106 14212 10908151 21816302 43632604 119989661 185438567 207254869 239979322 370877134 414509738 479958644 741754268 829019476 2039824237 2279803559 3523332773 4079648474 4559607118 7046665546 8159296948 9119214236 14093331092 38756660503 77513321006 155026642012