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142243970372 = 227137125929453
BaseRepresentation
bin1000010001111001100…
…1101011110101000100
3111121011020010101101222
42010132121223311010
54312303424022442
6145202421535512
713163636540660
oct2043631536504
9447136111358
10142243970372
1155364016309
1223699274598
131054b74a40a
146c556738a0
153a77c268d2
hex211e66bd44

142243970372 has 48 divisors (see below), whose sum is σ = 286801845120. Its totient is φ = 60466605312.

The previous prime is 142243970359. The next prime is 142243970417. The reversal of 142243970372 is 273079342241.

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, 4814798 + ... + 4844250.

It is an arithmetic number, because the mean of its divisors is an integer number (5975038440).

Almost surely, 2142243970372 is an apocalyptic number.

It is an amenable number.

142243970372 is an abundant number, since it is smaller than the sum of its proper divisors (144557874748).

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

142243970372 is a wasteful number, since it uses less digits than its factorization.

142243970372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30860 (or 30858 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 44.

The spelling of 142243970372 in words is "one hundred forty-two billion, two hundred forty-three million, nine hundred seventy thousand, three hundred seventy-two".

Divisors: 1 2 4 7 14 28 137 274 548 959 1259 1918 2518 3836 5036 8813 17626 29453 35252 58906 117812 172483 206171 344966 412342 689932 824684 1207381 2414762 4035061 4829524 8070122 16140244 28245427 37081327 56490854 74162654 112981708 148325308 259569289 519138578 1038277156 5080141799 10160283598 20320567196 35560992593 71121985186 142243970372