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128201196685836 = 223139827163756773
BaseRepresentation
bin11101001001100100101010…
…110010011100101000001100
3121210220220200211020001122210
4131021210222302130220030
5113300422022322421321
61132354452224110420
736001142110623411
oct3511445262345014
9553826624201583
10128201196685836
11379379053703aa
1212466301465410
13566c423243b11
142392d846da108
15ec4c19b23b76
hex74992ac9ca0c

128201196685836 has 96 divisors (see below), whose sum is σ = 301842086757120. Its totient is φ = 42348362160384.

The previous prime is 128201196685819. The next prime is 128201196685927. The reversal of 128201196685836 is 638586691102821.

It is a super-3 number, since 3×1282011966858363 (a number of 43 digits) contains 333 as substring.

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, 2258108346 + ... + 2258165118.

It is an arithmetic number, because the mean of its divisors is an integer number (3144188403720).

Almost surely, 2128201196685836 is an apocalyptic number.

It is an amenable number.

128201196685836 is an abundant number, since it is smaller than the sum of its proper divisors (173640890071284).

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

128201196685836 is a wasteful number, since it uses less digits than its factorization.

128201196685836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59383 (or 59381 counting only the distinct ones).

The product of its (nonzero) digits is 59719680, while the sum is 66.

The spelling of 128201196685836 in words is "one hundred twenty-eight trillion, two hundred one billion, one hundred ninety-six million, six hundred eighty-five thousand, eight hundred thirty-six".

Divisors: 1 2 3 4 6 12 139 278 417 556 827 834 1637 1654 1668 2481 3274 3308 4911 4962 6548 9822 9924 19644 56773 113546 114953 170319 227092 227543 229906 340638 344859 455086 459812 681276 682629 689718 910172 1353799 1365258 1379436 2707598 2730516 4061397 5415196 7891447 8122794 15782894 16245588 23674341 31565788 46951271 47348682 92937401 93902542 94697364 140853813 185874802 187805084 188178061 278812203 281707626 371749604 376356122 557624406 563415252 564534183 752712244 1115248812 1129068366 2258136732 6526226669 12918298739 13052453338 19578680007 25836597478 26104906676 38754896217 39157360014 51673194956 76859230627 77509792434 78314720028 153718461254 155019584868 230577691881 307436922508 461155383762 922310767524 10683433057153 21366866114306 32050299171459 42733732228612 64100598342918 128201196685836