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2213471691840 = 26353174377409
BaseRepresentation
bin100000001101011101001…
…100011010010001000000
321211121100122111101111010
4200031131030122101000
5242231142223114330
64412504352120520
7315626614642413
oct40153514322100
97747318441433
102213471691840
11783801079502
122b8b9b236140
131309638a8426
14791bdc03b7a
153c89dec93b0
hex2035d31a440

2213471691840 has 112 divisors (see below), whose sum is σ = 7254475061760. Its totient is φ = 571218493440.

The previous prime is 2213471691833. The next prime is 2213471691853. The reversal of 2213471691840 is 481961743122.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 2213471691840.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37158945 + ... + 37218464.

Almost surely, 22213471691840 is an apocalyptic number.

2213471691840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2213471691840 is an abundant number, since it is smaller than the sum of its proper divisors (5041003369920).

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

2213471691840 is a wasteful number, since it uses less digits than its factorization.

2213471691840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74377460 (or 74377450 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 48.

The spelling of 2213471691840 in words is "two trillion, two hundred thirteen billion, four hundred seventy-one million, six hundred ninety-one thousand, eight hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 31 32 40 48 60 62 64 80 93 96 120 124 155 160 186 192 240 248 310 320 372 465 480 496 620 744 930 960 992 1240 1488 1860 1984 2480 2976 3720 4960 5952 7440 9920 14880 29760 74377409 148754818 223132227 297509636 371887045 446264454 595019272 743774090 892528908 1115661135 1190038544 1487548180 1785057816 2231322270 2305699679 2380077088 2975096360 3570115632 4462644540 4611399358 4760154176 5950192720 6917099037 7140231264 8925289080 9222798716 11528498395 11900385440 13834198074 14280462528 17850578160 18445597432 23056996790 23800770880 27668396148 34585495185 35701156320 36891194864 46113993580 55336792296 69170990370 71402312640 73782389728 92227987160 110673584592 138341980740 147564779456 184455974320 221347169184 276683961480 368911948640 442694338368 553367922960 737823897280 1106735845920 2213471691840