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742274223880 = 235717261714867
BaseRepresentation
bin10101100110100101111…
…11011100111100001000
32121221221100220110220111
422303102333130330020
544130134200131010
61324555052404104
7104425150541440
oct12632277347410
92557840813814
10742274223880
112668844a2802
12bba36176634
1354cc473b0b7
1427cd7951120
151449556d58a
hexacd2fdcf08

742274223880 has 192 divisors, whose sum is σ = 2031009240960. Its totient is φ = 239119491072.

The previous prime is 742274223877. The next prime is 742274223881. The reversal of 742274223880 is 88322472247.

It is not an unprimeable number, because it can be changed into a prime (742274223881) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 49920207 + ... + 49935073.

It is an arithmetic number, because the mean of its divisors is an integer number (10578173130).

Almost surely, 2742274223880 is an apocalyptic number.

742274223880 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 742274223880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1015504620480).

742274223880 is an abundant number, since it is smaller than the sum of its proper divisors (1288735017080).

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

742274223880 is a wasteful number, since it uses less digits than its factorization.

742274223880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15536 (or 15515 counting only the distinct ones).

The product of its (nonzero) digits is 2408448, while the sum is 49.

The spelling of 742274223880 in words is "seven hundred forty-two billion, two hundred seventy-four million, two hundred twenty-three thousand, eight hundred eighty".