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1012111315240 = 235171725786249
BaseRepresentation
bin11101011101001101000…
…10010001000100101000
310120202102202222222122011
432232212202101010220
5113040300444041430
62052542454005304
7133060030143004
oct16564642210450
93522382888564
101012111315240
113602634a7333
121441a2046834
137459850626c
1436db4b5d704
151b4d9b7422a
hexeba6891128

1012111315240 has 64 divisors (see below), whose sum is σ = 2411374050000. Its totient is φ = 381003644928.

The previous prime is 1012111315231. The next prime is 1012111315253. The reversal of 1012111315240 is 425131112101.

It can be written as a sum of positive squares in 8 ways, for example, as 606844116004 + 405267199236 = 779002^2 + 636606^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11691636 + ... + 11777884.

Almost surely, 21012111315240 is an apocalyptic number.

1012111315240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012111315240 is an abundant number, since it is smaller than the sum of its proper divisors (1399262734760).

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

1012111315240 is a wasteful number, since it uses less digits than its factorization.

1012111315240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103534 (or 103530 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 22.

Adding to 1012111315240 its reverse (425131112101), we get a palindrome (1437242427341).

The spelling of 1012111315240 in words is "one trillion, twelve billion, one hundred eleven million, three hundred fifteen thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 17 20 34 40 68 85 136 170 340 680 17257 34514 69028 86249 86285 138056 172498 172570 293369 344996 345140 431245 586738 689992 690280 862490 1173476 1466233 1466845 1724980 2346952 2932466 2933690 3449960 5864932 5867380 7331165 11729864 11734760 14662330 29324660 58649320 1488398993 2976797986 5953595972 7441994965 11907191944 14883989930 25302782881 29767979860 50605565762 59535959720 101211131524 126513914405 202422263048 253027828810 506055657620 1012111315240