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159214478180 = 225172916147513
BaseRepresentation
bin1001010001000111101…
…1000010001101100100
3120012221221010111122012
42110101323002031210
510102032401300210
6201050410453352
714334324510062
oct2242173021544
9505857114565
10159214478180
1161582470a7a
1226a34734258
13120245b5a04
1479c5477032
15421ca25305
hex2511ec2364

159214478180 has 48 divisors (see below), whose sum is σ = 366225617520. Its totient is φ = 57872683008.

The previous prime is 159214478173. The next prime is 159214478221. The reversal of 159214478180 is 81874412951.

It can be written as a sum of positive squares in 8 ways, for example, as 9829136164 + 149385342016 = 99142^2 + 386504^2 .

It is a super-2 number, since 2×1592144781802 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8063897 + ... + 8083616.

It is an arithmetic number, because the mean of its divisors is an integer number (7629700365).

Almost surely, 2159214478180 is an apocalyptic number.

159214478180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

159214478180 is an abundant number, since it is smaller than the sum of its proper divisors (207011139340).

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

159214478180 is a wasteful number, since it uses less digits than its factorization.

159214478180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16147568 (or 16147566 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 50.

The spelling of 159214478180 in words is "one hundred fifty-nine billion, two hundred fourteen million, four hundred seventy-eight thousand, one hundred eighty".

Divisors: 1 2 4 5 10 17 20 29 34 58 68 85 116 145 170 290 340 493 580 986 1972 2465 4930 9860 16147513 32295026 64590052 80737565 161475130 274507721 322950260 468277877 549015442 936555754 1098030884 1372538605 1873111508 2341389385 2745077210 4682778770 5490154420 7960723909 9365557540 15921447818 31842895636 39803619545 79607239090 159214478180