Search a number
-
+
74320768146590 = 2571975389468321
BaseRepresentation
bin10000111001100000100110…
…111111000001110010011110
3100202010222220010011122202022
4100321200212333001302132
534220132413121142330
6422022253424100142
721440332626634040
oct2071404677016236
9322128803148668
1074320768146590
11217542960979a9
128403a42a64652
1332615591b8074
14144d204225a90
1588d3c155eae5
hex439826fc1c9e

74320768146590 has 32 divisors (see below), whose sum is σ = 153664520796864. Its totient is φ = 25352058977280.

The previous prime is 74320768146533. The next prime is 74320768146607. The reversal of 74320768146590 is 9564186702347.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2694720371 + ... + 2694747950.

It is an arithmetic number, because the mean of its divisors is an integer number (4802016274902).

It is a 1-persistent number, because it is pandigital, but 2⋅74320768146590 = 148641536293180 is not.

Almost surely, 274320768146590 is an apocalyptic number.

74320768146590 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

74320768146590 is an abundant number, since it is smaller than the sum of its proper divisors (79343752650274).

74320768146590 is a wasteful number, since it uses less digits than its factorization.

74320768146590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5389468532.

The product of its (nonzero) digits is 60963840, while the sum is 62.

The spelling of 74320768146590 in words is "seventy-four trillion, three hundred twenty billion, seven hundred sixty-eight million, one hundred forty-six thousand, five hundred ninety".

Divisors: 1 2 5 7 10 14 35 70 197 394 985 1379 1970 2758 6895 13790 5389468321 10778936642 26947341605 37726278247 53894683210 75452556494 188631391235 377262782470 1061725259237 2123450518474 5308626296185 7432076814659 10617252592370 14864153629318 37160384073295 74320768146590