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128696942360 = 2357727632231
BaseRepresentation
bin111011111011011101…
…1110111111100011000
3110022012010000001120202
41313312323313330120
54102032404123420
6135042250041332
712204141650330
oct1676673677430
9408163001522
10128696942360
114a642083698
1220b38419248
13c19cc38bcc
14632c3d00c0
15353376c575
hex1df6ef7f18

128696942360 has 64 divisors (see below), whose sum is σ = 331390725120. Its totient is φ = 44063902080.

The previous prime is 128696942327. The next prime is 128696942419. The reversal of 128696942360 is 63249696821.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a junction number, because it is equal to n+sod(n) for n = 128696942296 and 128696942305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112556 + ... + 519675.

It is an arithmetic number, because the mean of its divisors is an integer number (5177980080).

Almost surely, 2128696942360 is an apocalyptic number.

128696942360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128696942360 is an abundant number, since it is smaller than the sum of its proper divisors (202693782760).

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

128696942360 is a wasteful number, since it uses less digits than its factorization.

128696942360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632976 (or 632972 counting only the distinct ones).

The product of its (nonzero) digits is 6718464, while the sum is 56.

The spelling of 128696942360 in words is "one hundred twenty-eight billion, six hundred ninety-six million, nine hundred forty-two thousand, three hundred sixty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 727 1454 2908 3635 5089 5816 7270 10178 14540 20356 25445 29080 40712 50890 101780 203560 632231 1264462 2528924 3161155 4425617 5057848 6322310 8851234 12644620 17702468 22128085 25289240 35404936 44256170 88512340 177024680 459631937 919263874 1838527748 2298159685 3217423559 3677055496 4596319370 6434847118 9192638740 12869694236 16087117795 18385277480 25739388472 32174235590 64348471180 128696942360