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1013312412 = 223274021081
BaseRepresentation
bin111100011001011…
…110101110011100
32121121201121022100
4330121132232130
54033401444122
6244314445100
734053004410
oct7431365634
92547647270
101013312412
1147aa96682
12243433790
13131c1b658
1498814d40
155de60aac
hex3c65eb9c

1013312412 has 36 divisors (see below), whose sum is σ = 2927347696. Its totient is φ = 289517760.

The previous prime is 1013312401. The next prime is 1013312431. The reversal of 1013312412 is 2142133101.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2010289 + ... + 2010792.

Almost surely, 21013312412 is an apocalyptic number.

1013312412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1013312412 is an abundant number, since it is smaller than the sum of its proper divisors (1914035284).

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

1013312412 is a wasteful number, since it uses less digits than its factorization.

1013312412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4021098 (or 4021093 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1013312412 is about 31832.5684166390. The cubic root of 1013312412 is about 1004.4179238722.

Adding to 1013312412 its reverse (2142133101), we get a palindrome (3155445513).

The spelling of 1013312412 in words is "one billion, thirteen million, three hundred twelve thousand, four hundred twelve".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 4021081 8042162 12063243 16084324 24126486 28147567 36189729 48252972 56295134 72379458 84442701 112590268 144758916 168885402 253328103 337770804 506656206 1013312412