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1053135251 = 74717318503
BaseRepresentation
bin111110110001011…
…001000110010011
32201101122210222022
4332301121012103
54124100312001
6252300202055
735045334110
oct7661310623
92641583868
101053135251
114a0516113
1225483932b
1313a25266c
149dc1d907
15626ca11b
hex3ec59193

1053135251 has 16 divisors (see below), whose sum is σ = 1236363264. Its totient is φ = 878326944.

The previous prime is 1053135241. The next prime is 1053135277. The reversal of 1053135251 is 1525313501.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1053135251 - 222 = 1048940947 is a prime.

It is a super-2 number, since 2×10531352512 = 2218187713797666002, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1053135251.

It is not an unprimeable number, because it can be changed into a prime (1053135241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47666 + ... + 66168.

It is an arithmetic number, because the mean of its divisors is an integer number (77272704).

Almost surely, 21053135251 is an apocalyptic number.

1053135251 is a deficient number, since it is larger than the sum of its proper divisors (183228013).

1053135251 is a wasteful number, since it uses less digits than its factorization.

1053135251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18730.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 1053135251 is about 32452.0454054902. The cubic root of 1053135251 is about 1017.4069889444.

Adding to 1053135251 its reverse (1525313501), we get a palindrome (2578448752).

The spelling of 1053135251 in words is "one billion, fifty-three million, one hundred thirty-five thousand, two hundred fifty-one".

Divisors: 1 7 47 173 329 1211 8131 18503 56917 129521 869641 3201019 6087487 22407133 150447893 1053135251