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61224105404 = 22711792516197
BaseRepresentation
bin111001000001001111…
…011011010110111100
312212000210221210200102
4321001033123112330
52000341332333104
644043113020232
74265122211060
oct710117332674
9185023853612
1061224105404
1123a68458620
12ba479b4678
135a09241607
142d6b299aa0
1518d4e50a1e
hexe413db5bc

61224105404 has 48 divisors (see below), whose sum is σ = 135270804480. Its totient is φ = 23551594560.

The previous prime is 61224105401. The next prime is 61224105413. The reversal of 61224105404 is 40450142216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61224105401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1233767 + ... + 1282430.

It is an arithmetic number, because the mean of its divisors is an integer number (2818141760).

Almost surely, 261224105404 is an apocalyptic number.

It is an amenable number.

61224105404 is an abundant number, since it is smaller than the sum of its proper divisors (74046699076).

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

61224105404 is a wasteful number, since it uses less digits than its factorization.

61224105404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2516298 (or 2516296 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The spelling of 61224105404 in words is "sixty-one billion, two hundred twenty-four million, one hundred five thousand, four hundred four".

Divisors: 1 2 4 7 11 14 22 28 44 77 79 154 158 308 316 553 869 1106 1738 2212 3476 6083 12166 24332 2516197 5032394 10064788 17613379 27678167 35226758 55356334 70453516 110712668 193747169 198779563 387494338 397559126 774988676 795118252 1391456941 2186575193 2782913882 4373150386 5565827764 8746300772 15306026351 30612052702 61224105404