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61201914000 = 2435310200319
BaseRepresentation
bin111000111111111010…
…110001100010010000
312211222021012100210120
4320333322301202100
52000320142222000
644041001230240
74264432454103
oct707772614220
9184867170716
1061201914000
1123a56980917
12ba40492380
135a047718c6
142d6836073a
1518d301a6a0
hexe3feb1890

61201914000 has 80 divisors (see below), whose sum is σ = 197314990080. Its totient is φ = 16320508800.

The previous prime is 61201913989. The next prime is 61201914017. The reversal of 61201914000 is 41910216.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5094160 + ... + 5106159.

It is an arithmetic number, because the mean of its divisors is an integer number (2466437376).

Almost surely, 261201914000 is an apocalyptic number.

61201914000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

61201914000 is an abundant number, since it is smaller than the sum of its proper divisors (136113076080).

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

61201914000 is a wasteful number, since it uses less digits than its factorization.

61201914000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10200345 (or 10200329 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The spelling of 61201914000 in words is "sixty-one billion, two hundred one million, nine hundred fourteen thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 100 120 125 150 200 240 250 300 375 400 500 600 750 1000 1200 1500 2000 3000 6000 10200319 20400638 30600957 40801276 51001595 61201914 81602552 102003190 122403828 153004785 163205104 204006380 244807656 255007975 306009570 408012760 489615312 510015950 612019140 765023925 816025520 1020031900 1224038280 1275039875 1530047850 2040063800 2448076560 2550079750 3060095700 3825119625 4080127600 5100159500 6120191400 7650239250 10200319000 12240382800 15300478500 20400638000 30600957000 61201914000