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385905852630 = 23254287842807
BaseRepresentation
bin1011001110110011100…
…10000000000011010110
31100220002102221111111200
411213121302000003112
522310313344241010
6453141021413330
736611051424234
oct5473162000326
91326072844450
10385905852630
1113973087a921
126295b10a246
132a51068787c
141496c3bd954
15a0893b9cc0
hex59d9c800d6

385905852630 has 24 divisors (see below), whose sum is σ = 1003355217072. Its totient is φ = 102908227344.

The previous prime is 385905852599. The next prime is 385905852653. The reversal of 385905852630 is 36258509583.

385905852630 is a `hidden beast` number, since 3 + 8 + 5 + 9 + 0 + 585 + 26 + 30 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2143921314 + ... + 2143921493.

It is an arithmetic number, because the mean of its divisors is an integer number (41806467378).

Almost surely, 2385905852630 is an apocalyptic number.

385905852630 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

385905852630 is an abundant number, since it is smaller than the sum of its proper divisors (617449364442).

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

385905852630 is a wasteful number, since it uses less digits than its factorization.

385905852630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4287842820 (or 4287842817 counting only the distinct ones).

The product of its (nonzero) digits is 7776000, while the sum is 54.

The spelling of 385905852630 in words is "three hundred eighty-five billion, nine hundred five million, eight hundred fifty-two thousand, six hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 4287842807 8575685614 12863528421 21439214035 25727056842 38590585263 42878428070 64317642105 77181170526 128635284210 192952926315 385905852630