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10629986432 = 271327012
BaseRepresentation
bin10011110011001100…
…01011100010000000
31000102211012021001012
421321212023202000
5133232234031212
64514445300052
7524264252042
oct117146134200
930384167035
1010629986432
11456539415a
122087b64628
131005384b00
1472bab3a92
15423350922
hex27998b880

10629986432 has 72 divisors (see below), whose sum is σ = 22963986495. Its totient is φ = 4899148800.

The previous prime is 10629986417. The next prime is 10629986473. The reversal of 10629986432 is 23468992601.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 5 ways, for example, as 5472448576 + 5157537856 = 73976^2 + 71816^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=72904.

It is a super-2 number, since 2×106299864322 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 15163682 + ... + 15164382.

Almost surely, 210629986432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10629986432

10629986432 is an abundant number, since it is smaller than the sum of its proper divisors (12334000063).

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

10629986432 is an frugal number, since it uses more digits than its factorization.

10629986432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1442 (or 716 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 50.

Multiplying 10629986432 by its sum of digits (50), we get a square (531499321600 = 7290402).

The spelling of 10629986432 in words is "ten billion, six hundred twenty-nine million, nine hundred eighty-six thousand, four hundred thirty-two".

Divisors: 1 2 4 8 13 16 26 32 52 64 104 128 169 208 338 416 676 701 832 1352 1402 1664 2704 2804 5408 5608 9113 10816 11216 18226 21632 22432 36452 44864 72904 89728 118469 145808 236938 291616 473876 491401 583232 947752 982802 1166464 1895504 1965604 3791008 3931208 6388213 7582016 7862416 12776426 15164032 15724832 25552852 31449664 51105704 62899328 83046769 102211408 166093538 204422816 332187076 408845632 664374152 817691264 1328748304 2657496608 5314993216 10629986432