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157557329670 = 23513478595599
BaseRepresentation
bin1001001010111100100…
…1100000111100000110
3120001200102220122020110
42102233021200330012
510040134134022140
6200214132213450
714245263130236
oct2225711407406
9501612818213
10157557329670
1160902006854
122665176a286
1311b1c190b70
1478a9347cc6
1541722d8380
hex24af260f06

157557329670 has 64 divisors (see below), whose sum is σ = 415889510400. Its totient is φ = 37958160768.

The previous prime is 157557329669. The next prime is 157557329681. The reversal of 157557329670 is 76923755751.

It is a self number, because there is not a number n which added to its sum of digits gives 157557329670.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 4279470 + ... + 4316129.

It is an arithmetic number, because the mean of its divisors is an integer number (6498273600).

Almost surely, 2157557329670 is an apocalyptic number.

157557329670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157557329670 is an abundant number, since it is smaller than the sum of its proper divisors (258332180730).

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

157557329670 is a wasteful number, since it uses less digits than its factorization.

157557329670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8595669.

The product of its (nonzero) digits is 13891500, while the sum is 57.

The spelling of 157557329670 in words is "one hundred fifty-seven billion, five hundred fifty-seven million, three hundred twenty-nine thousand, six hundred seventy".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 47 65 78 94 130 141 195 235 282 390 470 611 705 1222 1410 1833 3055 3666 6110 9165 18330 8595599 17191198 25786797 42977995 51573594 85955990 111742787 128933985 223485574 257867970 335228361 403993153 558713935 670456722 807986306 1117427870 1211979459 1676141805 2019965765 2423958918 3352283610 4039931530 5251910989 6059897295 10503821978 12119794590 15755732967 26259554945 31511465934 52519109890 78778664835 157557329670