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71329910286320 = 2457127374839797
BaseRepresentation
bin10000001101111111001001…
…111101101110011111110000
3100100120001222002110012100222
4100031333021331232133300
533322132124013130240
6411412301452232212
721011262446402360
oct2015771175563760
9310501862405328
1071329910286320
1120800932876104
12800026a76b668
1330a54c67146ca
1413885595849a0
1583a6c4722eb5
hex40dfc9f6e7f0

71329910286320 has 40 divisors (see below), whose sum is σ = 189533761619424. Its totient is φ = 24455969240832.

The previous prime is 71329910286289. The next prime is 71329910286353. The reversal of 71329910286320 is 2368201992317.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×713299102863202 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

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, 63687419339 + ... + 63687420458.

Almost surely, 271329910286320 is an apocalyptic number.

71329910286320 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

71329910286320 is an abundant number, since it is smaller than the sum of its proper divisors (118203851333104).

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

71329910286320 is a wasteful number, since it uses less digits than its factorization.

71329910286320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127374839817 (or 127374839811 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 53.

The spelling of 71329910286320 in words is "seventy-one trillion, three hundred twenty-nine billion, nine hundred ten million, two hundred eighty-six thousand, three hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 127374839797 254749679594 509499359188 636874198985 891623878579 1018998718376 1273748397970 1783247757158 2037997436752 2547496795940 3566495514316 4458119392895 5094993591880 7132991028632 8916238785790 10189987183760 14265982057264 17832477571580 35664955143160 71329910286320