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1490157144560 = 24572660994901
BaseRepresentation
bin10101101011110100010…
…010011000100111110000
312021110100121120021102002
4111223310102120213300
5143403320212111220
63100322503113132
7212442324511010
oct25536422304760
95243317507362
101490157144560
11524a76950417
122009767427a8
13aa6a1159ca6
14521a4331c40
1528b681ccc75
hex15af44989f0

1490157144560 has 40 divisors (see below), whose sum is σ = 3959560414176. Its totient is φ = 510911020800.

The previous prime is 1490157144559. The next prime is 1490157144563. The reversal of 1490157144560 is 654417510941.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490157144563) 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, 1330496891 + ... + 1330498010.

Almost surely, 21490157144560 is an apocalyptic number.

1490157144560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1490157144560 is an abundant number, since it is smaller than the sum of its proper divisors (2469403269616).

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

1490157144560 is a wasteful number, since it uses less digits than its factorization.

1490157144560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2660994921 (or 2660994915 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 47.

The spelling of 1490157144560 in words is "one trillion, four hundred ninety billion, one hundred fifty-seven million, one hundred forty-four thousand, five hundred sixty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 2660994901 5321989802 10643979604 13304974505 18626964307 21287959208 26609949010 37253928614 42575918416 53219898020 74507857228 93134821535 106439796040 149015714456 186269643070 212879592080 298031428912 372539286140 745078572280 1490157144560