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61094984940 = 223351110285351
BaseRepresentation
bin111000111001100010…
…110111110011101100
312211200210222210201000
4320321202313303230
52000110304004230
644022221320300
74261663542423
oct707142676354
9184623883630
1061094984940
1123a015874a0
12ba10706090
1359b8573282
142d580882ba
1518c8947b60
hexe398b7cec

61094984940 has 96 divisors (see below), whose sum is σ = 207352696320. Its totient is φ = 14810904000.

The previous prime is 61094984927. The next prime is 61094984947. The reversal of 61094984940 is 4948949016.

It is a happy number.

61094984940 is a `hidden beast` number, since 6 + 109 + 49 + 8 + 494 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (61094984947) 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, 5136736 + ... + 5148615.

It is an arithmetic number, because the mean of its divisors is an integer number (2159923920).

Almost surely, 261094984940 is an apocalyptic number.

61094984940 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

61094984940 is an abundant number, since it is smaller than the sum of its proper divisors (146257711380).

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

61094984940 is a wasteful number, since it uses less digits than its factorization.

61094984940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10285380 (or 10285372 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The spelling of 61094984940 in words is "sixty-one billion, ninety-four million, nine hundred eighty-four thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 9 10 11 12 15 18 20 22 27 30 33 36 44 45 54 55 60 66 90 99 108 110 132 135 165 180 198 220 270 297 330 396 495 540 594 660 990 1188 1485 1980 2970 5940 10285351 20570702 30856053 41141404 51426755 61712106 92568159 102853510 113138861 123424212 154280265 185136318 205707020 226277722 277704477 308560530 339416583 370272636 452555444 462840795 555408954 565694305 617121060 678833166 925681590 1018249749 1110817908 1131388610 1357666332 1388522385 1697082915 1851363180 2036499498 2262777220 2777044770 3054749247 3394165830 4072998996 5091248745 5554089540 6109498494 6788331660 10182497490 12218996988 15273746235 20364994980 30547492470 61094984940