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2149161297486 = 23760923839921
BaseRepresentation
bin11111010001100011111…
…111101110011001001110
321121110100202010212021120
4133101203333232121032
5240202440243004421
64323151105141410
7311162135420340
oct37214377563116
97543322125246
102149161297486
117594aa584365
122a863192a866
1312788512c848
147603cabd290
153ad8813c8c6
hex1f463fee64e

2149161297486 has 32 divisors (see below), whose sum is σ = 4912455161088. Its totient is φ = 614035274880.

The previous prime is 2149161297473. The next prime is 2149161297523. The reversal of 2149161297486 is 6847921619412.

It is a super-2 number, since 2×21491612974862 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2138806 + ... + 2978726.

It is an arithmetic number, because the mean of its divisors is an integer number (153514223784).

Almost surely, 22149161297486 is an apocalyptic number.

2149161297486 is an abundant number, since it is smaller than the sum of its proper divisors (2763293863602).

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

2149161297486 is a wasteful number, since it uses less digits than its factorization.

2149161297486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900856.

The product of its digits is 10450944, while the sum is 60.

The spelling of 2149161297486 in words is "two trillion, one hundred forty-nine billion, one hundred sixty-one million, two hundred ninety-seven thousand, four hundred eighty-six".

Divisors: 1 2 3 6 7 14 21 42 60923 121846 182769 365538 426461 839921 852922 1279383 1679842 2519763 2558766 5039526 5879447 11758894 17638341 35276682 51170507083 102341014166 153511521249 307023042498 358193549581 716387099162 1074580648743 2149161297486