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70666710107040 = 253455452678249
BaseRepresentation
bin10000000100010101100000…
…001001110100001110100000
3100021012200010112022101110000
4100010111200021310032200
533230300410241411130
6410143501034540000
720612333645032035
oct2004254011641640
9307180115271400
1070666710107040
112057564663a493
127b13822297600
133057ac4327a18
14136440381738c
1582830b21b260
hex4045602743a0

70666710107040 has 120 divisors (see below), whose sum is σ = 249394597798500. Its totient is φ = 18844456025088.

The previous prime is 70666710107029. The next prime is 70666710107047. The reversal of 70666710107040 is 4070101766607.

It can be written as a sum of positive squares in 2 ways, for example, as 62870753675664 + 7795956431376 = 7929108^2 + 2792124^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (70666710107047) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2726326165 + ... + 2726352084.

Almost surely, 270666710107040 is an apocalyptic number.

It is an amenable number.

70666710107040 is an abundant number, since it is smaller than the sum of its proper divisors (178727887691460).

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

70666710107040 is a wasteful number, since it uses less digits than its factorization.

70666710107040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5452678276 (or 5452678259 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 45.

The spelling of 70666710107040 in words is "seventy trillion, six hundred sixty-six billion, seven hundred ten million, one hundred seven thousand, forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 72 80 81 90 96 108 120 135 144 160 162 180 216 240 270 288 324 360 405 432 480 540 648 720 810 864 1080 1296 1440 1620 2160 2592 3240 4320 6480 12960 5452678249 10905356498 16358034747 21810712996 27263391245 32716069494 43621425992 49074104241 54526782490 65432138988 81790173735 87242851984 98148208482 109053564980 130864277976 147222312723 163580347470 174485703968 196296416964 218107129960 245370521205 261728555952 294444625446 327160694940 392592833928 436214259920 441666938169 490741042410 523457111904 588889250892 654321389880 736111563615 785185667856 872428519840 883333876338 981482084820 1177778501784 1308642779760 1472223127230 1570371335712 1766667752676 1962964169640 2208334690845 2355557003568 2617285559520 2944446254460 3533335505352 3925928339280 4416669381690 4711114007136 5888892508920 7066671010704 7851856678560 8833338763380 11777785017840 14133342021408 17666677526760 23555570035680 35333355053520 70666710107040