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64706744140311 = 3713869932724599
BaseRepresentation
bin11101011011001101101100…
…11111111100001000010111
322111002220102020212102220210
432231212312133330020113
531440123402444442221
6345341511244100503
716425623304135660
oct1655466637741027
9274086366772823
1064706744140311
1119687a81190849
127310725834733
132a14a87105210
1411d9b74934367
15773286c3e276
hex3ad9b67fc217

64706744140311 has 32 divisors (see below), whose sum is σ = 106186685875200. Its totient is φ = 34130625007104.

The previous prime is 64706744140303. The next prime is 64706744140387. The reversal of 64706744140311 is 11304144760746.

It is not a de Polignac number, because 64706744140311 - 23 = 64706744140303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64706744140301) 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, 22386790 + ... + 25111388.

It is an arithmetic number, because the mean of its divisors is an integer number (3318333933600).

Almost surely, 264706744140311 is an apocalyptic number.

64706744140311 is a deficient number, since it is larger than the sum of its proper divisors (41479941734889).

64706744140311 is a wasteful number, since it uses less digits than its factorization.

64706744140311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2811615.

The product of its (nonzero) digits is 1354752, while the sum is 48.

The spelling of 64706744140311 in words is "sixty-four trillion, seven hundred six billion, seven hundred forty-four million, one hundred forty thousand, three hundred eleven".

Divisors: 1 3 7 13 21 39 91 273 86993 260979 608951 1130909 1826853 2724599 3392727 7916363 8173797 19072193 23749089 35419787 57216579 106259361 247938509 743815527 237021040807 711063122421 1659147285649 3081273530491 4977441856947 9243820591473 21568914713437 64706744140311