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10143272394 = 23217536110253
BaseRepresentation
bin10010111001001011…
…00000110111001010
3222011220100121220100
421130211200313022
5131233134204034
64354301310230
7506234251503
oct113445406712
928156317810
1010143272394
114335681752
121b70b65376
13c585a2138
146c31b9baa
153e575e099
hex25c960dca

10143272394 has 96 divisors (see below), whose sum is σ = 24099935184. Its totient is φ = 3070679040.

The previous prime is 10143272369. The next prime is 10143272431. The reversal of 10143272394 is 49327234101.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 2576882169 + 7566390225 = 50763^2 + 86985^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 984172 + ... + 994424.

Almost surely, 210143272394 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10143272394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12049967592).

10143272394 is an abundant number, since it is smaller than the sum of its proper divisors (13956662790).

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

10143272394 is a wasteful number, since it uses less digits than its factorization.

10143272394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10392 (or 10389 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The spelling of 10143272394 in words is "ten billion, one hundred forty-three million, two hundred seventy-two thousand, three hundred ninety-four".

Divisors: 1 2 3 6 9 17 18 34 51 53 61 102 106 122 153 159 183 306 318 366 477 549 901 954 1037 1098 1802 2074 2703 3111 3233 5406 6222 6466 8109 9333 9699 10253 16218 18666 19398 20506 29097 30759 54961 58194 61518 92277 109922 164883 174301 184554 329766 348602 494649 522903 543409 625433 989298 1045806 1086818 1250866 1568709 1630227 1876299 3137418 3260454 3752598 4890681 5628897 9237953 9781362 10632361 11257794 18475906 21264722 27713859 31897083 33147949 55427718 63794166 66295898 83141577 95691249 99443847 166283154 191382498 198887694 298331541 563515133 596663082 1127030266 1690545399 3381090798 5071636197 10143272394