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106884431745 = 357133110932311
BaseRepresentation
bin110001110001011001…
…1101111111110000001
3101012212221220201012020
41203202303233332001
53222344403303440
6121034012152053
710502460452040
oct1434263577601
9335787821166
10106884431745
1141369525613
121886b468629
13a104bb09b0
14525d4d6557
152ba88263d0
hex18e2ceff81

106884431745 has 128 divisors (see below), whose sum is σ = 217562677248. Its totient is φ = 43589145600.

The previous prime is 106884431741. The next prime is 106884431749. The reversal of 106884431745 is 547134488601.

It is an interprime number because it is at equal distance from previous prime (106884431741) and next prime (106884431749).

It is not a de Polignac number, because 106884431745 - 22 = 106884431741 is a prime.

It is a super-2 number, since 2×1068844317452 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106884431741) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 46249140 + ... + 46251450.

It is an arithmetic number, because the mean of its divisors is an integer number (1699708416).

Almost surely, 2106884431745 is an apocalyptic number.

106884431745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

106884431745 is an abundant number, since it is smaller than the sum of its proper divisors (110678245503).

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

106884431745 is a wasteful number, since it uses less digits than its factorization.

106884431745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3463.

The product of its (nonzero) digits is 2580480, while the sum is 51.

The spelling of 106884431745 in words is "one hundred six billion, eight hundred eighty-four million, four hundred thirty-one thousand, seven hundred forty-five".

Divisors: 1 3 5 7 13 15 21 31 35 39 65 91 93 105 155 195 217 273 403 455 465 651 1085 1093 1209 1365 2015 2311 2821 3255 3279 5465 6045 6933 7651 8463 11555 14105 14209 16177 16395 22953 30043 33883 34665 38255 42315 42627 48531 71045 71641 80885 90129 99463 101649 114765 150215 169415 210301 213135 214923 237181 242655 298389 358205 440479 450645 497315 501487 508245 630903 711543 931333 1051505 1074615 1185905 1321437 1491945 1504461 2202395 2507435 2525923 2793999 3083353 3154515 3557715 4656665 6519331 6607185 7522305 7577769 9250059 12629615 13969995 15416765 17681461 19557993 32596655 32836999 37888845 46250295 53044383 78303613 88407305 97789965 98510997 164184995 229858993 234910839 265221915 391518065 492554985 548125291 689576979 1017946969 1149294965 1174554195 1644375873 2740626455 3053840907 3447884895 5089734845 7125628783 8221879365 15269204535 21376886349 35628143915 106884431745