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11630831250 = 2355620311
BaseRepresentation
bin10101101010100000…
…00110011010010010
31010000120110110000210
422311100012122102
5142304443100000
65202041024550
7561136302003
oct126520063222
933016413023
1011630831250
114a29334735
122307185156
13113482968c
147c49a11aa
1548114c350
hex2b5406692

11630831250 has 48 divisors (see below), whose sum is σ = 29075264064. Its totient is φ = 3101550000.

The previous prime is 11630831249. The next prime is 11630831281. The reversal of 11630831250 is 5213803611.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 291406 + ... + 328905.

It is an arithmetic number, because the mean of its divisors is an integer number (605734668).

Almost surely, 211630831250 is an apocalyptic number.

11630831250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11630831250 is an abundant number, since it is smaller than the sum of its proper divisors (17444432814).

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

11630831250 is an frugal number, since it uses more digits than its factorization.

11630831250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620341 (or 620321 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 11630831250 in words is "eleven billion, six hundred thirty million, eight hundred thirty-one thousand, two hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 125 150 250 375 625 750 1250 1875 3125 3750 6250 9375 18750 620311 1240622 1860933 3101555 3721866 6203110 9304665 15507775 18609330 31015550 46523325 77538875 93046650 155077750 232616625 387694375 465233250 775388750 1163083125 1938471875 2326166250 3876943750 5815415625 11630831250