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145205062650 = 232521272540771
BaseRepresentation
bin1000011100111011100…
…1010110101111111010
3111212210120221110101100
42013032321112233322
54334334444001100
6150412320232230
713330213445034
oct2071671265772
9455716843340
10145205062650
115664352180a
1224184a6b676
131090105b31b
147056a2cc54
153b9cb82400
hex21cee56bfa

145205062650 has 72 divisors (see below), whose sum is σ = 393189548544. Its totient is φ = 38416442400.

The previous prime is 145205062633. The next prime is 145205062687. The reversal of 145205062650 is 56260502541.

145205062650 is a `hidden beast` number, since 1 + 4 + 5 + 20 + 5 + 0 + 626 + 5 + 0 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1213236 + ... + 1327535.

It is an arithmetic number, because the mean of its divisors is an integer number (5460965952).

Almost surely, 2145205062650 is an apocalyptic number.

145205062650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145205062650 is an abundant number, since it is smaller than the sum of its proper divisors (247984485894).

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

145205062650 is a wasteful number, since it uses less digits than its factorization.

145205062650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2540916 (or 2540908 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 145205062650 in words is "one hundred forty-five billion, two hundred five million, sixty-two thousand, six hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 30 45 50 75 90 127 150 225 254 381 450 635 762 1143 1270 1905 2286 3175 3810 5715 6350 9525 11430 19050 28575 57150 2540771 5081542 7622313 12703855 15244626 22866939 25407710 38111565 45733878 63519275 76223130 114334695 127038550 190557825 228669390 322677917 381115650 571673475 645355834 968033751 1143346950 1613389585 1936067502 2904101253 3226779170 4840168755 5808202506 8066947925 9680337510 14520506265 16133895850 24200843775 29041012530 48401687550 72602531325 145205062650