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21470663431050 = 23526710121152321
BaseRepresentation
bin1001110000111000001110…
…10001000101001110001010
32211000120112110011112022120
410320130013101011032022
510303233404314243200
6113355253035232110
74344130024644621
oct470340721051612
984016473145276
1021470663431050
116928725849a19
1224a91a98a8636
13bc98a090c6b2
145432856186b8
1527377b9a39a0
hex13870744538a

21470663431050 has 96 divisors (see below), whose sum is σ = 54577052005824. Its totient is φ = 5584212480000.

The previous prime is 21470663430959. The next prime is 21470663431069. The reversal of 21470663431050 is 5013436607412.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 21470663430993 and 21470663431011.

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 47 ways as a sum of consecutive naturals, for example, 9561111 + ... + 11591210.

It is an arithmetic number, because the mean of its divisors is an integer number (568510958394).

Almost surely, 221470663431050 is an apocalyptic number.

21470663431050 is an abundant number, since it is smaller than the sum of its proper divisors (33106388574774).

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

21470663431050 is a wasteful number, since it uses less digits than its factorization.

21470663431050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21152504 (or 21152499 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 42.

The spelling of 21470663431050 in words is "twenty-one trillion, four hundred seventy billion, six hundred sixty-three million, four hundred thirty-one thousand, fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 67 75 101 134 150 201 202 303 335 402 505 606 670 1005 1010 1515 1675 2010 2525 3030 3350 5025 5050 6767 7575 10050 13534 15150 20301 33835 40602 67670 101505 169175 203010 338350 507525 1015050 21152321 42304642 63456963 105761605 126913926 211523210 317284815 528808025 634569630 1057616050 1417205507 1586424075 2136384421 2834411014 3172848150 4251616521 4272768842 6409153263 7086027535 8503233042 10681922105 12818306526 14172055070 21258082605 21363844210 32045766315 35430137675 42516165210 53409610525 64091532630 70860275350 106290413025 106819221050 143137756207 160228831575 212580826050 286275512414 320457663150 429413268621 715688781035 858826537242 1431377562070 2147066343105 3578443905175 4294132686210 7156887810350 10735331715525 21470663431050