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742197880290 = 23537668646739
BaseRepresentation
bin10101100110011100111…
…00001110010111100010
32121221202001020211012010
422303032130032113202
544130010124132130
61324543324213350
7104423232614406
oct12631634162742
92557661224163
10742197880290
11266845399729
12bba1469a256
1354cb198b089
1427ccb75b106
151448d9dd0b0
hexacce70e5e2

742197880290 has 32 divisors (see below), whose sum is σ = 1829417480640. Its totient is φ = 192570260544.

The previous prime is 742197880261. The next prime is 742197880313. The reversal of 742197880290 is 92088791247.

It is a self number, because there is not a number n which added to its sum of digits gives 742197880290.

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, 334322260 + ... + 334324479.

It is an arithmetic number, because the mean of its divisors is an integer number (57169296270).

Almost surely, 2742197880290 is an apocalyptic number.

742197880290 is an abundant number, since it is smaller than the sum of its proper divisors (1087219600350).

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

742197880290 is a wasteful number, since it uses less digits than its factorization.

742197880290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668646786.

The product of its (nonzero) digits is 4064256, while the sum is 57.

The spelling of 742197880290 in words is "seven hundred forty-two billion, one hundred ninety-seven million, eight hundred eighty thousand, two hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 37 74 111 185 222 370 555 1110 668646739 1337293478 2005940217 3343233695 4011880434 6686467390 10029701085 20059402170 24739929343 49479858686 74219788029 123699646715 148439576058 247399293430 371098940145 742197880290