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31408659605092 = 22711536379301627
BaseRepresentation
bin1110010010000111001011…
…11111111010011001100100
311010012122020111021001221111
413021003211333322121210
513104044413324330332
6150444534455154404
76421125602436310
oct711034577723144
9133178214231844
1031408659605092
11a00a379585870
123633260675a04
13146aa931240b3
147a8289ac0b40
153970282c7947
hex1c90e5ffa664

31408659605092 has 96 divisors (see below), whose sum is σ = 69832142392320. Its totient is φ = 12004328718720.

The previous prime is 31408659605087. The next prime is 31408659605101. The reversal of 31408659605092 is 29050695680413.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 103979983 + ... + 104281609.

It is an arithmetic number, because the mean of its divisors is an integer number (727418149920).

Almost surely, 231408659605092 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31408659605092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34916071196160).

31408659605092 is an abundant number, since it is smaller than the sum of its proper divisors (38423482787228).

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

31408659605092 is a wasteful number, since it uses less digits than its factorization.

31408659605092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308081 (or 308079 counting only the distinct ones).

The product of its (nonzero) digits is 13996800, while the sum is 58.

The spelling of 31408659605092 in words is "thirty-one trillion, four hundred eight billion, six hundred fifty-nine million, six hundred five thousand, ninety-two".

Divisors: 1 2 4 7 11 14 22 28 44 53 77 106 154 212 308 371 583 742 1166 1484 2332 4081 6379 8162 12758 16324 25516 44653 70169 89306 140338 178612 280676 301627 338087 491183 603254 676174 982366 1206508 1352348 1964732 2111389 2366609 3317897 3718957 4222778 4733218 6635794 7437914 8445556 9466436 13271588 14875828 15986231 23225279 26032699 31972462 46450558 52065398 63944924 92901116 104130796 111903617 175848541 223807234 351697082 447614468 703394164 1230939787 1924078633 2461879574 3848157266 4923759148 7696314532 13468550431 21164864963 26937100862 42329729926 53874201724 84659459852 101976167549 148154054741 203952335098 296308109482 407904670196 592616218964 713833172843 1121737843039 1427666345686 2243475686078 2855332691372 4486951372156 7852164901273 15704329802546 31408659605092