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961430005690 = 257113341337369
BaseRepresentation
bin11011111110110011011…
…00011010011110111010
310101220121201011201000021
431333121230122132322
5111223002040140230
62013401433401054
7126314063132020
oct15773154323672
93356551151007
10961430005690
113408161a0340
121363b8b6918a
136c87c56c4bb
1434767b5c710
151a02059ec7a
hexdfd9b1a7ba

961430005690 has 64 divisors (see below), whose sum is σ = 2157721079040. Its totient is φ = 299649507840.

The previous prime is 961430005651. The next prime is 961430005729. The reversal of 961430005690 is 96500034169.

It is an interprime number because it is at equal distance from previous prime (961430005651) and next prime (961430005729).

It is a super-2 number, since 2×9614300056902 (a number of 25 digits) contains 22 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, 25709326 + ... + 25746694.

It is an arithmetic number, because the mean of its divisors is an integer number (33714391860).

Almost surely, 2961430005690 is an apocalyptic number.

961430005690 is an abundant number, since it is smaller than the sum of its proper divisors (1196291073350).

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

961430005690 is a wasteful number, since it uses less digits than its factorization.

961430005690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70807.

The product of its (nonzero) digits is 174960, while the sum is 43.

The spelling of 961430005690 in words is "nine hundred sixty-one billion, four hundred thirty million, five thousand, six hundred ninety".

Divisors: 1 2 5 7 10 11 14 22 35 55 70 77 110 154 385 770 33413 37369 66826 74738 167065 186845 233891 261583 334130 367543 373690 411059 467782 523166 735086 822118 1169455 1307915 1837715 2055295 2338910 2572801 2615830 2877413 3675430 4110590 5145602 5754826 12864005 14387065 25728010 28774130 1248610397 2497220794 6243051985 8740272779 12486103970 13734714367 17480545558 27469428734 43701363895 68673571835 87402727790 96143000569 137347143670 192286001138 480715002845 961430005690