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961788420348 = 2237239311154043
BaseRepresentation
bin11011111111011110000…
…11101010000011111100
310101221112200121001111020
431333233003222003330
5111224220313422343
62013501155424140
7126326004453510
oct15775703520374
93357480531436
10961788420348
1134098a5425a8
12136498bb5050
136c9088b0792
143479d5ba140
151a041c9bb83
hexdfef0ea0fc

961788420348 has 96 divisors (see below), whose sum is σ = 2583798497280. Its totient is φ = 272765250240.

The previous prime is 961788420337. The next prime is 961788420379. The reversal of 961788420348 is 843024887169.

It is a happy number.

It is a super-2 number, since 2×9617884203482 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 961788420291 and 961788420300.

It is a congruent number.

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, 6166615 + ... + 6320657.

It is an arithmetic number, because the mean of its divisors is an integer number (26914567680).

Almost surely, 2961788420348 is an apocalyptic number.

It is an amenable number.

961788420348 is an abundant number, since it is smaller than the sum of its proper divisors (1622010076932).

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

961788420348 is a wasteful number, since it uses less digits than its factorization.

961788420348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154607 (or 154605 counting only the distinct ones).

The product of its (nonzero) digits is 18579456, while the sum is 60.

The spelling of 961788420348 in words is "nine hundred sixty-one billion, seven hundred eighty-eight million, four hundred twenty thousand, three hundred forty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 239 311 478 622 717 933 956 1244 1434 1673 1866 2177 2868 3346 3732 4354 5019 6531 6692 8708 10038 13062 20076 26124 74329 148658 154043 222987 297316 308086 445974 462129 520303 616172 891948 924258 1040606 1078301 1560909 1848516 2081212 2156602 3121818 3234903 4313204 6243636 6469806 12939612 36816277 47907373 73632554 95814746 110448831 143722119 147265108 191629492 220897662 257713939 287444238 335351611 441795324 515427878 574888476 670703222 773141817 1006054833 1030855756 1341406444 1546283634 2012109666 3092567268 4024219332 11449862147 22899724294 34349586441 45799448588 68699172882 80149035029 137398345764 160298070058 240447105087 320596140116 480894210174 961788420348