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30570194403840 = 2935713179244367
BaseRepresentation
bin1101111001101101011011…
…00101000000001000000000
311000020111000102001122112110
412330312231211000020000
513001330224231410330
6145003430424055320
76303423626014350
oct674665545001000
9130214012048473
1030570194403840
119816823861053
123518860304540
1314099ac07c710
14779868d4cb60
1538030311ddb0
hex1bcdad940200

30570194403840 has 640 divisors, whose sum is σ = 120954418421760. Its totient is φ = 6413915455488.

The previous prime is 30570194403839. The next prime is 30570194403871. The reversal of 30570194403840 is 4830449107503.

It is a tau number, because it is divible by the number of its divisors (640).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 30570194403840.

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, 124977337 + ... + 125221703.

It is an arithmetic number, because the mean of its divisors is an integer number (188991278784).

Almost surely, 230570194403840 is an apocalyptic number.

30570194403840 is a gapful number since it is divisible by the number (30) 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 30570194403840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60477209210880).

30570194403840 is an abundant number, since it is smaller than the sum of its proper divisors (90384224017920).

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

30570194403840 is a wasteful number, since it uses less digits than its factorization.

30570194403840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244592 (or 244576 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 48.

The spelling of 30570194403840 in words is "thirty trillion, five hundred seventy billion, one hundred ninety-four million, four hundred three thousand, eight hundred forty".