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3049981315920 = 243557113076637
BaseRepresentation
bin101100011000100001000…
…011011000101101010000
3101210120112102221012100000
4230120201003120231100
5344432330204102140
610253050404330000
7433232244301230
oct54304103305520
911716472835300
103049981315920
11a76542a38140
124131346a3900
131917c575a456
14a7896d61cc0
155450c647a30
hex2c6210d8b50

3049981315920 has 960 divisors, whose sum is σ = 13288425486336. Its totient is φ = 631602800640.

The previous prime is 3049981315907. The next prime is 3049981315943. The reversal of 3049981315920 is 295131899403.

3049981315920 is a `hidden beast` number, since 3 + 0 + 49 + 9 + 8 + 1 + 3 + 1 + 592 + 0 = 666.

It is a super-2 number, since 2×30499813159202 (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 459538842 + ... + 459545478.

Almost surely, 23049981315920 is an apocalyptic number.

3049981315920 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 3049981315920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6644212743168).

3049981315920 is an abundant number, since it is smaller than the sum of its proper divisors (10238444170416).

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

3049981315920 is a wasteful number, since it uses less digits than its factorization.

3049981315920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6990 (or 6972 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 54.

The spelling of 3049981315920 in words is "three trillion, forty-nine billion, nine hundred eighty-one million, three hundred fifteen thousand, nine hundred twenty".