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7468007144 = 231379908959
BaseRepresentation
bin1101111010010000…
…01011111011101000
3201021110101001220012
412331020023323220
5110243302212034
63233013151052
7353031004403
oct67510137350
921243331805
107468007144
11319254a334
12154502b488
13920268c50
1450bb84d3a
152da962cce
hex1bd20bee8

7468007144 has 32 divisors (see below), whose sum is σ = 15270528000. Its totient is φ = 3403138752.

The previous prime is 7468007101. The next prime is 7468007153. The reversal of 7468007144 is 4417008647.

It is a super-2 number, since 2×74680071442 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 446264 + ... + 462695.

It is an arithmetic number, because the mean of its divisors is an integer number (477204000).

Almost surely, 27468007144 is an apocalyptic number.

It is an amenable number.

7468007144 is an abundant number, since it is smaller than the sum of its proper divisors (7802520856).

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

7468007144 is a wasteful number, since it uses less digits than its factorization.

7468007144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909057 (or 909053 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 41.

The square root of 7468007144 is about 86417.6321360404. The cubic root of 7468007144 is about 1954.6465692425.

The spelling of 7468007144 in words is "seven billion, four hundred sixty-eight million, seven thousand, one hundred forty-four".

Divisors: 1 2 4 8 13 26 52 79 104 158 316 632 1027 2054 4108 8216 908959 1817918 3635836 7271672 11816467 23632934 47265868 71807761 94531736 143615522 287231044 574462088 933500893 1867001786 3734003572 7468007144