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155029326712 = 23131978456137
BaseRepresentation
bin1001000001100001110…
…1111100101101111000
3112211011021000210010021
42100120131330231320
510020000001423322
6155115224300224
714125525351231
oct2203035745570
9484137023107
10155029326712
115a825016807
1226067011674
1311808508720
1477096c8088
1540753ca4c7
hex241877cb78

155029326712 has 32 divisors (see below), whose sum is σ = 329515779600. Its totient is φ = 67786101504.

The previous prime is 155029326689. The next prime is 155029326719. The reversal of 155029326712 is 217623920551.

It is a happy number.

155029326712 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155029326719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39226093 + ... + 39230044.

Almost surely, 2155029326712 is an apocalyptic number.

It is an amenable number.

155029326712 is an abundant number, since it is smaller than the sum of its proper divisors (174486452888).

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

155029326712 is a wasteful number, since it uses less digits than its factorization.

155029326712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78456175 (or 78456171 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 43.

The spelling of 155029326712 in words is "one hundred fifty-five billion, twenty-nine million, three hundred twenty-six thousand, seven hundred twelve".

Divisors: 1 2 4 8 13 19 26 38 52 76 104 152 247 494 988 1976 78456137 156912274 313824548 627649096 1019929781 1490666603 2039859562 2981333206 4079719124 5962666412 8159438248 11925332824 19378665839 38757331678 77514663356 155029326712