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155068076788 = 22269883163211
BaseRepresentation
bin1001000001101011000…
…1110001001011110100
3112211020221221111020021
42100122301301023310
510020034411424123
6155123131014524
714126505622222
oct2203261611364
9484227844207
10155068076788
115a844983269
1226077b9a444
1311813555371
1477108d3b12
1540789d1c5d
hex241ac712f4

155068076788 has 24 divisors (see below), whose sum is σ = 272688081120. Its totient is φ = 77157853920.

The previous prime is 155068076783. The next prime is 155068076857. The reversal of 155068076788 is 887670860551.

It is a super-2 number, since 2×1550680767882 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155068076783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 868503 + ... + 1031713.

It is an arithmetic number, because the mean of its divisors is an integer number (11362003380).

Almost surely, 2155068076788 is an apocalyptic number.

It is an amenable number.

155068076788 is a deficient number, since it is larger than the sum of its proper divisors (117620004332).

155068076788 is a wasteful number, since it uses less digits than its factorization.

155068076788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164367 (or 164365 counting only the distinct ones).

The product of its (nonzero) digits is 22579200, while the sum is 61.

The spelling of 155068076788 in words is "one hundred fifty-five billion, sixty-eight million, seventy-six thousand, seven hundred eighty-eight".

Divisors: 1 2 4 269 538 883 1076 1766 3532 163211 237527 326422 475054 652844 950108 43903759 87807518 144115313 175615036 288230626 576461252 38767019197 77534038394 155068076788