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128481014370 = 235157179152393
BaseRepresentation
bin111011110101000010…
…0001011001001100010
3110021122001200210001210
41313222010023021202
54101112114424440
6135005014010550
712165610413552
oct1675204131142
9407561623053
10128481014370
114a541201805
1220a98046a56
13c167295a77
14630b863162
15351e818a80
hex1dea10b262

128481014370 has 64 divisors (see below), whose sum is σ = 312054145920. Its totient is φ = 33852968448.

The previous prime is 128481014353. The next prime is 128481014383. The reversal of 128481014370 is 73410184821.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 766894 + ... + 919286.

It is an arithmetic number, because the mean of its divisors is an integer number (4875846030).

Almost surely, 2128481014370 is an apocalyptic number.

128481014370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128481014370 is an abundant number, since it is smaller than the sum of its proper divisors (183573131550).

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

128481014370 is a wasteful number, since it uses less digits than its factorization.

128481014370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152739.

The product of its (nonzero) digits is 43008, while the sum is 39.

The spelling of 128481014370 in words is "one hundred twenty-eight billion, four hundred eighty-one million, fourteen thousand, three hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 157 179 314 358 471 537 785 895 942 1074 1570 1790 2355 2685 4710 5370 28103 56206 84309 140515 152393 168618 281030 304786 421545 457179 761965 843090 914358 1523930 2285895 4571790 23925701 27278347 47851402 54556694 71777103 81835041 119628505 136391735 143554206 163670082 239257010 272783470 358885515 409175205 717771030 818350410 4282700479 8565400958 12848101437 21413502395 25696202874 42827004790 64240507185 128481014370