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531352051212 = 223317353395701
BaseRepresentation
bin1111011101101110000…
…11001101111000001100
31212210111211121221012110
413232313003031320030
532201202111114322
61044033314304020
753250253625433
oct7566703157014
91783454557173
10531352051212
11195388420624
1286b90888010
133b14c673a78
141ba0905c11a
15dc4d2cec0c
hex7bb70cde0c

531352051212 has 48 divisors (see below), whose sum is σ = 1247259035232. Its totient is φ = 176058009600.

The previous prime is 531352051163. The next prime is 531352051259. The reversal of 531352051212 is 212150253135.

It is a self number, because there is not a number n which added to its sum of digits gives 531352051212.

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, 1144962 + ... + 1540662.

It is an arithmetic number, because the mean of its divisors is an integer number (25984563234).

Almost surely, 2531352051212 is an apocalyptic number.

It is an amenable number.

531352051212 is an abundant number, since it is smaller than the sum of its proper divisors (715906984020).

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

531352051212 is a wasteful number, since it uses less digits than its factorization.

531352051212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396378 (or 396376 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The spelling of 531352051212 in words is "five hundred thirty-one billion, three hundred fifty-two million, fifty-one thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 317 353 634 706 951 1059 1268 1412 1902 2118 3804 4236 111901 223802 335703 395701 447604 671406 791402 1187103 1342812 1582804 2374206 4748412 125437217 139682453 250874434 279364906 376311651 419047359 501748868 558729812 752623302 838094718 1505246604 1676189436 44279337601 88558675202 132838012803 177117350404 265676025606 531352051212