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2061046132640 = 255115367332831
BaseRepresentation
bin11101111111011111111…
…011000010111110100000
321022000220211220200220122
4131333133323002332200
5232232010302221030
64214455335255412
7301622434033115
oct35773773027640
97260824820818
102061046132640
117250a28a0880
1229354021a568
1311c481961751
1471a8025c90c
153892c4c58e5
hex1dfdfec2fa0

2061046132640 has 192 divisors, whose sum is σ = 5420308948992. Its totient is φ = 734215372800.

The previous prime is 2061046132631. The next prime is 2061046132661. The reversal of 2061046132640 is 462316401602.

It is a super-2 number, since 2×20610461326402 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2061046132640.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62761025 + ... + 62793855.

It is an arithmetic number, because the mean of its divisors is an integer number (28230775776).

Almost surely, 22061046132640 is an apocalyptic number.

2061046132640 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 2061046132640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2710154474496).

2061046132640 is an abundant number, since it is smaller than the sum of its proper divisors (3359262816352).

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

2061046132640 is a wasteful number, since it uses less digits than its factorization.

2061046132640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33583 (or 33575 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 2061046132640 in words is "two trillion, sixty-one billion, forty-six million, one hundred thirty-two thousand, six hundred forty".