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961130020270 = 25797919154027
BaseRepresentation
bin11011111110001111101…
…00000011110110101110
310101212211210200212101011
431333013310003312232
5111221343241122040
62013311555535434
7126303461242660
oct15770764036656
93355753625334
10961130020270
11340681926902
121363345ba57a
136c832378234
1434739d90530
151a0040953ea
hexdfc7d03dae

961130020270 has 64 divisors (see below), whose sum is σ = 1999751685120. Its totient is φ = 325776079872.

The previous prime is 961130020267. The next prime is 961130020271. The reversal of 961130020270 is 72020031169.

It is a super-2 number, since 2×9611300202702 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961130020271) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6162997 + ... + 6317023.

It is an arithmetic number, because the mean of its divisors is an integer number (31246120080).

Almost surely, 2961130020270 is an apocalyptic number.

961130020270 is an abundant number, since it is smaller than the sum of its proper divisors (1038621664850).

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

961130020270 is a wasteful number, since it uses less digits than its factorization.

961130020270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155057.

The product of its (nonzero) digits is 4536, while the sum is 31.

The spelling of 961130020270 in words is "nine hundred sixty-one billion, one hundred thirty million, twenty thousand, two hundred seventy".

Divisors: 1 2 5 7 10 14 35 70 97 194 485 679 919 970 1358 1838 3395 4595 6433 6790 9190 12866 32165 64330 89143 154027 178286 308054 445715 624001 770135 891430 1078189 1248002 1540270 2156378 3120005 5390945 6240010 10781890 14940619 29881238 74703095 104584333 141550813 149406190 209168666 283101626 522921665 707754065 990855691 1045843330 1415508130 1981711382 4954278455 9908556910 13730428861 27460857722 68652144305 96113002027 137304288610 192226004054 480565010135 961130020270