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1540264245161 = 19391120727829
BaseRepresentation
bin10110011010011110111…
…001110011011110101001
312110020200122220201102212
4112122132321303132221
5200213430121321121
63135330532134505
7216165120031265
oct26323671633651
95406618821385
101540264245161
1154424a014764
1220a61b467435
13b2328158445
1454798d810a5
152a0ec17b25b
hex1669ee737a9

1540264245161 has 8 divisors (see below), whose sum is σ = 1621745419200. Its totient is φ = 1458824534640.

The previous prime is 1540264245151. The next prime is 1540264245241. The reversal of 1540264245161 is 1615424620451.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1540264245161 - 210 = 1540264244137 is a prime.

It is a super-2 number, since 2×15402642451612 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1540264245131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10289606 + ... + 10438223.

It is an arithmetic number, because the mean of its divisors is an integer number (202718177400).

Almost surely, 21540264245161 is an apocalyptic number.

It is an amenable number.

1540264245161 is a deficient number, since it is larger than the sum of its proper divisors (81481174039).

1540264245161 is a wasteful number, since it uses less digits than its factorization.

1540264245161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20731759.

The product of its (nonzero) digits is 230400, while the sum is 41.

The spelling of 1540264245161 in words is "one trillion, five hundred forty billion, two hundred sixty-four million, two hundred forty-five thousand, one hundred sixty-one".

Divisors: 1 19 3911 74309 20727829 393828751 81066539219 1540264245161