Search a number
-
+
156400869205 = 5719216375941
BaseRepresentation
bin1001000110101000110…
…1111101111101010101
3112221200211211100201101
42101222031331331111
510030302110303310
6155503301230101
714204521311340
oct2215215757525
9487624740641
10156400869205
11603692389a9
122638a402331
1311996702329
1477d990d457
1541059ed43a
hex246a37df55

156400869205 has 48 divisors (see below), whose sum is σ = 227767676544. Its totient is φ = 100977114240.

The previous prime is 156400869173. The next prime is 156400869259. The reversal of 156400869205 is 502968004651.

It is not a de Polignac number, because 156400869205 - 25 = 156400869173 is a prime.

It is a super-2 number, since 2×1564008692052 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2021535 + ... + 2097475.

It is an arithmetic number, because the mean of its divisors is an integer number (4745159928).

Almost surely, 2156400869205 is an apocalyptic number.

It is an amenable number.

156400869205 is a deficient number, since it is larger than the sum of its proper divisors (71366807339).

156400869205 is a wasteful number, since it uses less digits than its factorization.

156400869205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76154 (or 76135 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 46.

The spelling of 156400869205 in words is "one hundred fifty-six billion, four hundred million, eight hundred sixty-nine thousand, two hundred five".

Divisors: 1 5 7 19 35 95 133 163 361 665 815 1141 1805 2527 3097 5705 12635 15485 21679 58843 75941 108395 294215 379705 411901 531587 1442879 2059505 2657935 7214395 10100153 12378383 27414701 50500765 61891915 86648681 137073505 191902907 235189277 433243405 959514535 1175946385 1646324939 4468596263 8231624695 22342981315 31280173841 156400869205