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1051137912 = 2331119367571
BaseRepresentation
bin111110101001110…
…001011101111000
32201020220100010210
4332221301131320
54123042403122
6252145311120
735022345006
oct7651613570
92636810123
101051137912
1149a381520
122540354a0
13139a034c6
149d85da76
156243340c
hex3ea71778

1051137912 has 128 divisors (see below), whose sum is σ = 3031142400. Its totient is φ = 300412800.

The previous prime is 1051137907. The next prime is 1051137917. The reversal of 1051137912 is 2197311501.

It is an interprime number because it is at equal distance from previous prime (1051137907) and next prime (1051137917).

It is a super-2 number, since 2×10511379122 = 2209781820087439488, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1051137912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051137917) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1840587 + ... + 1841157.

It is an arithmetic number, because the mean of its divisors is an integer number (23680800).

Almost surely, 21051137912 is an apocalyptic number.

1051137912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1051137912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1515571200).

1051137912 is an abundant number, since it is smaller than the sum of its proper divisors (1980004488).

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

1051137912 is a wasteful number, since it uses less digits than its factorization.

1051137912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 977 (or 973 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 30.

The square root of 1051137912 is about 32421.2571008590. The cubic root of 1051137912 is about 1016.7633892152.

The spelling of 1051137912 in words is "one billion, fifty-one million, one hundred thirty-seven thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 11 12 19 22 24 33 38 44 57 66 76 88 114 132 152 209 228 264 367 418 456 571 627 734 836 1101 1142 1254 1468 1672 1713 2202 2284 2508 2936 3426 4037 4404 4568 5016 6281 6852 6973 8074 8808 10849 12111 12562 13704 13946 16148 18843 20919 21698 24222 25124 27892 32296 32547 37686 41838 43396 48444 50248 55784 65094 75372 76703 83676 86792 96888 119339 130188 150744 153406 167352 209557 230109 238678 260376 306812 358017 419114 460218 477356 613624 628671 716034 838228 920436 954712 1257342 1432068 1676456 1840872 2305127 2514684 2864136 3981583 4610254 5029368 6915381 7963166 9220508 11944749 13830762 15926332 18441016 23889498 27661524 31852664 43797413 47778996 55323048 87594826 95557992 131392239 175189652 262784478 350379304 525568956 1051137912