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11257636040 = 2357192116097
BaseRepresentation
bin10100111110000000…
…11110010011001000
31002001120020011102222
422133000132103020
5141023423323130
65101030113212
7545655220220
oct123700362310
932046204388
1011257636040
114857707642
1222221ab808
1310a5411901
1478b1b7080
1545d4d0ce5
hex29f01e4c8

11257636040 has 64 divisors (see below), whose sum is σ = 30471811200. Its totient is φ = 3656613888.

The previous prime is 11257636007. The next prime is 11257636067. The reversal of 11257636040 is 4063675211.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1052729 + ... + 1063368.

It is an arithmetic number, because the mean of its divisors is an integer number (476122050).

Almost surely, 211257636040 is an apocalyptic number.

11257636040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11257636040 is an abundant number, since it is smaller than the sum of its proper divisors (19214175160).

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

11257636040 is a wasteful number, since it uses less digits than its factorization.

11257636040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2116134 (or 2116130 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 11257636040 in words is "eleven billion, two hundred fifty-seven million, six hundred thirty-six thousand, forty".

Divisors: 1 2 4 5 7 8 10 14 19 20 28 35 38 40 56 70 76 95 133 140 152 190 266 280 380 532 665 760 1064 1330 2660 5320 2116097 4232194 8464388 10580485 14812679 16928776 21160970 29625358 40205843 42321940 59250716 74063395 80411686 84643880 118501432 148126790 160823372 201029215 281440901 296253580 321646744 402058430 562881802 592507160 804116860 1125763604 1407204505 1608233720 2251527208 2814409010 5628818020 11257636040