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157318011700 = 22521573180117
BaseRepresentation
bin1001001010000011100…
…0100101101100110100
3120001001202121000200221
42102200320211230310
510034141402333300
6200134302544124
714236326015223
oct2224070455464
9501052530627
10157318011700
1160799a09703
12265a5598044
1311ab171b5b5
14788564ccba
15415b2b431a
hex24a0e25b34

157318011700 has 18 divisors (see below), whose sum is σ = 341380085606. Its totient is φ = 62927204640.

The previous prime is 157318011691. The next prime is 157318011703. The reversal of 157318011700 is 7110813751.

It can be written as a sum of positive squares in 3 ways, for example, as 13558739364 + 143759272336 = 116442^2 + 379156^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157318011703) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 786589959 + ... + 786590158.

Almost surely, 2157318011700 is an apocalyptic number.

157318011700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157318011700 is an abundant number, since it is smaller than the sum of its proper divisors (184062073906).

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

157318011700 is a wasteful number, since it uses less digits than its factorization.

157318011700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573180131 (or 1573180124 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 34.

The spelling of 157318011700 in words is "one hundred fifty-seven billion, three hundred eighteen million, eleven thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 50 100 1573180117 3146360234 6292720468 7865900585 15731801170 31463602340 39329502925 78659005850 157318011700