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2950640342640 = 2432528164722541
BaseRepresentation
bin101010111011111111110…
…111101001011001110000
3101110002010012100212210100
4222323333313221121300
5341320402411431030
610135301102432400
7423114422043354
oct52737767513160
911402105325710
102950640342640
11a383a5606621
123b7a2b592700
13185323642563
14a2b51651464
1551b461da360
hex2aeffde9670

2950640342640 has 240 divisors, whose sum is σ = 9960310017216. Its totient is φ = 782790758400.

The previous prime is 2950640342591. The next prime is 2950640342651. The reversal of 2950640342640 is 462430460592.

2950640342640 is a `hidden beast` number, since 2 + 9 + 506 + 40 + 3 + 42 + 64 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-2 number, since 2×29506403426402 (a number of 26 digits) contains 22 as substring.

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 47 ways as a sum of consecutive naturals, for example, 130889770 + ... + 130912310.

Almost surely, 22950640342640 is an apocalyptic number.

2950640342640 is a gapful number since it is divisible by the number (20) 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 2950640342640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4980155008608).

2950640342640 is an abundant number, since it is smaller than the sum of its proper divisors (7009669674576).

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

2950640342640 is a wasteful number, since it uses less digits than its factorization.

2950640342640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23488 (or 23479 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 45.

The spelling of 2950640342640 in words is "two trillion, nine hundred fifty billion, six hundred forty million, three hundred forty-two thousand, six hundred forty".