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1520102342 = 211153145131
BaseRepresentation
bin101101010011010…
…1110101111000110
310220221100012101202
41122212232233012
511103121233332
6410501022502
752445441153
oct13246565706
93827305352
101520102342
11710070430
123650b4a32
131b2c10155
14105c5722a
158d6baa62
hex5a9aebc6

1520102342 has 16 divisors (see below), whose sum is σ = 2489120064. Its totient is φ = 690489000.

The previous prime is 1520102327. The next prime is 1520102359. The reversal of 1520102342 is 2432010251.

It is a super-2 number, since 2×15201023422 = 4621422260307769928, which 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 7 ways as a sum of consecutive naturals, for example, 11117 + ... + 56247.

It is an arithmetic number, because the mean of its divisors is an integer number (155570004).

Almost surely, 21520102342 is an apocalyptic number.

1520102342 is a deficient number, since it is larger than the sum of its proper divisors (969017722).

1520102342 is a wasteful number, since it uses less digits than its factorization.

1520102342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46675.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1520102342 is about 38988.4898656001. The cubic root of 1520102342 is about 1149.8052201934.

Adding to 1520102342 its reverse (2432010251), we get a palindrome (3952112593).

The spelling of 1520102342 in words is "one billion, five hundred twenty million, one hundred two thousand, three hundred forty-two".

Divisors: 1 2 11 22 1531 3062 16841 33682 45131 90262 496441 992882 69095561 138191122 760051171 1520102342