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38369248770 = 23553107225529
BaseRepresentation
bin100011101110111111…
…000100011000000010
310200001000111210100210
4203232333010120002
51112040011430040
625343202054550
72525553143016
oct435677043002
9120030453323
1038369248770
11152aa493556
12752994a456
1338062708c8
141bddb90546
15ee8761480
hex8eefc4602

38369248770 has 64 divisors (see below), whose sum is σ = 94700949120. Its totient is φ = 9944882688.

The previous prime is 38369248759. The next prime is 38369248843. The reversal of 38369248770 is 7784296383.

It is a self number, because there is not a number n which added to its sum of digits gives 38369248770.

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, 57366 + ... + 282894.

It is an arithmetic number, because the mean of its divisors is an integer number (1479702330).

Almost surely, 238369248770 is an apocalyptic number.

38369248770 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 38369248770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47350474560).

38369248770 is an abundant number, since it is smaller than the sum of its proper divisors (56331700350).

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

38369248770 is a wasteful number, since it uses less digits than its factorization.

38369248770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225699.

The product of its (nonzero) digits is 12192768, while the sum is 57.

The spelling of 38369248770 in words is "thirty-eight billion, three hundred sixty-nine million, two hundred forty-eight thousand, seven hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 53 106 107 159 214 265 318 321 530 535 642 795 1070 1590 1605 3210 5671 11342 17013 28355 34026 56710 85065 170130 225529 451058 676587 1127645 1353174 2255290 3382935 6765870 11953037 23906074 24131603 35859111 48263206 59765185 71718222 72394809 119530370 120658015 144789618 179295555 241316030 358591110 361974045 723948090 1278974959 2557949918 3836924877 6394874795 7673849754 12789749590 19184624385 38369248770