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381055034990 = 25746111808337
BaseRepresentation
bin1011000101110001010…
…01100110011001101110
31100102120101021102200002
411202320221212121232
522220400042104430
6451015415504302
736346620232610
oct5427051463156
91312511242602
10381055034990
111376716a6823
1261a26688092
1329c196cc986
141462c072db0
159da35d0845
hex58b8a6666e

381055034990 has 32 divisors (see below), whose sum is σ = 785585110464. Its totient is φ = 130364029440.

The previous prime is 381055034989. The next prime is 381055035007. The reversal of 381055034990 is 99430550183.

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, 5871899 + ... + 5936438.

It is an arithmetic number, because the mean of its divisors is an integer number (24549534702).

Almost surely, 2381055034990 is an apocalyptic number.

381055034990 is an abundant number, since it is smaller than the sum of its proper divisors (404530075474).

381055034990 is a wasteful number, since it uses less digits than its factorization.

381055034990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11808812.

The product of its (nonzero) digits is 583200, while the sum is 47.

The spelling of 381055034990 in words is "three hundred eighty-one billion, fifty-five million, thirty-four thousand, nine hundred ninety".

Divisors: 1 2 5 7 10 14 35 70 461 922 2305 3227 4610 6454 16135 32270 11808337 23616674 59041685 82658359 118083370 165316718 413291795 826583590 5443643357 10887286714 27218216785 38105503499 54436433570 76211006998 190527517495 381055034990