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385074273720 = 23357145196511
BaseRepresentation
bin1011001101010000011…
…01110001110110111000
31100210221111011220200210
411212220031301312320
522302113003224340
6452522314031120
736551333215023
oct5465015616670
91323844156623
10385074273720
11139344430324
12627687184a0
132a40a2c9146
14148cdb941ba
15a03b3a6180
hex59a8371db8

385074273720 has 64 divisors (see below), whose sum is σ = 1171493591040. Its totient is φ = 101240182400.

The previous prime is 385074273713. The next prime is 385074273743. The reversal of 385074273720 is 27372470583.

It is a self number, because there is not a number n which added to its sum of digits gives 385074273720.

It is a congruent number.

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, 22589736 + ... + 22606775.

It is an arithmetic number, because the mean of its divisors is an integer number (18304587360).

Almost surely, 2385074273720 is an apocalyptic number.

385074273720 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

385074273720 is an abundant number, since it is smaller than the sum of its proper divisors (786419317320).

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

385074273720 is a wasteful number, since it uses less digits than its factorization.

385074273720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45196596 (or 45196592 counting only the distinct ones).

The product of its (nonzero) digits is 1975680, while the sum is 48.

The spelling of 385074273720 in words is "three hundred eighty-five billion, seventy-four million, two hundred seventy-three thousand, seven hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 71 120 142 213 284 355 426 568 710 852 1065 1420 1704 2130 2840 4260 8520 45196511 90393022 135589533 180786044 225982555 271179066 361572088 451965110 542358132 677947665 903930220 1084716264 1355895330 1807860440 2711790660 3208952281 5423581320 6417904562 9626856843 12835809124 16044761405 19253713686 25671618248 32089522810 38507427372 48134284215 64179045620 77014854744 96268568430 128358091240 192537136860 385074273720