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630936090720 = 253351331362407
BaseRepresentation
bin10010010111001101011…
…10001011100001100000
32020022120000120021221000
421023212232023201200
540314124114400340
61201503102032000
763404120166225
oct11134656134140
92208500507830
10630936090720
1122363aa7a421
12a2343278600
134765cc44330
1422774b6194c
151162ac51d30
hex92e6b8b860

630936090720 has 384 divisors, whose sum is σ = 2454864814080. Its totient is φ = 150297016320.

The previous prime is 630936090683. The next prime is 630936090803. The reversal of 630936090720 is 27090639036.

630936090720 is a `hidden beast` number, since 6 + 30 + 9 + 3 + 609 + 0 + 7 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1559757 + ... + 1922163.

It is an arithmetic number, because the mean of its divisors is an integer number (6392877120).

Almost surely, 2630936090720 is an apocalyptic number.

630936090720 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 630936090720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1227432407040).

630936090720 is an abundant number, since it is smaller than the sum of its proper divisors (1823928723360).

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

630936090720 is a wasteful number, since it uses less digits than its factorization.

630936090720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362475 (or 362461 counting only the distinct ones).

The product of its (nonzero) digits is 367416, while the sum is 45.

The spelling of 630936090720 in words is "six hundred thirty billion, nine hundred thirty-six million, ninety thousand, seven hundred twenty".