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63042431718 = 23719733107777
BaseRepresentation
bin111010101101100111…
…110010101011100110
320000201112110100110110
4322231213302223212
52013102330303333
644543350033450
74361151554010
oct725547625346
9200645410413
1063042431718
112481089a042
1210274948886
135c38b7a046
1430a09831b0
15198e8c9063
hexead9f2ae6

63042431718 has 64 divisors (see below), whose sum is σ = 151889379840. Its totient is φ = 17040678912.

The previous prime is 63042431713. The next prime is 63042431741. The reversal of 63042431718 is 81713424036.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63042431713) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 531046 + ... + 638822.

It is an arithmetic number, because the mean of its divisors is an integer number (2373271560).

Almost surely, 263042431718 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63042431718, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75944689920).

63042431718 is an abundant number, since it is smaller than the sum of its proper divisors (88846948122).

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

63042431718 is a wasteful number, since it uses less digits than its factorization.

63042431718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108541.

The product of its (nonzero) digits is 96768, while the sum is 39.

The spelling of 63042431718 in words is "sixty-three billion, forty-two million, four hundred thirty-one thousand, seven hundred eighteen".

Divisors: 1 2 3 6 7 14 19 21 38 42 57 114 133 266 399 733 798 1466 2199 4398 5131 10262 13927 15393 27854 30786 41781 83562 97489 107777 194978 215554 292467 323331 584934 646662 754439 1508878 2047763 2263317 4095526 4526634 6143289 12286578 14334341 28668682 43003023 79000541 86006046 158001082 237001623 474003246 553003787 1106007574 1501010279 1659011361 3002020558 3318022722 4503030837 9006061674 10507071953 21014143906 31521215859 63042431718