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1570000157 = 11157909091
BaseRepresentation
bin101110110010100…
…0100110100011101
311001102020021022222
41131211010310131
511203410001112
6415442315125
753622531635
oct13545046435
94042207288
101570000157
117362513a0
12379958aa5
131c0360b9b
1410c7256c5
1592c75372
hex5d944d1d

1570000157 has 8 divisors (see below), whose sum is σ = 1723638432. Its totient is φ = 1418180400.

The previous prime is 1570000141. The next prime is 1570000181. The reversal of 1570000157 is 7510000751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1570000157 - 24 = 1570000141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1570020157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 452819 + ... + 456272.

It is an arithmetic number, because the mean of its divisors is an integer number (215454804).

Almost surely, 21570000157 is an apocalyptic number.

It is an amenable number.

1570000157 is a deficient number, since it is larger than the sum of its proper divisors (153638275).

1570000157 is a wasteful number, since it uses less digits than its factorization.

1570000157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909259.

The product of its (nonzero) digits is 1225, while the sum is 26.

The square root of 1570000157 is about 39623.2274934791. The cubic root of 1570000157 is about 1162.2509199579.

It can be divided in two parts, 1570000 and 157, that multiplied together give a square (246490000 = 157002).

The spelling of 1570000157 in words is "one billion, five hundred seventy million, one hundred fifty-seven", and thus it is an aban number.

Divisors: 1 11 157 1727 909091 10000001 142727287 1570000157