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21301301010 = 2351125868127
BaseRepresentation
bin10011110101101010…
…000000111100010010
32000222112011012122110
4103311222000330102
5322111113113020
613441412450150
71352603033253
oct236552007422
960875135573
1021301301010
119041035800
124165919956
132016179b32
141061064b2a
1584a1168e0
hex4f5a80f12

21301301010 has 48 divisors (see below), whose sum is σ = 56193193728. Its totient is φ = 5163950880.

The previous prime is 21301300973. The next prime is 21301301051. The reversal of 21301301010 is 1010310312.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2930434 + ... + 2937693.

It is an arithmetic number, because the mean of its divisors is an integer number (1170691536).

Almost surely, 221301301010 is an apocalyptic number.

21301301010 is an abundant number, since it is smaller than the sum of its proper divisors (34891892718).

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

21301301010 is a wasteful number, since it uses less digits than its factorization.

21301301010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5868159 (or 5868148 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 21301301010 its reverse (1010310312), we get a palindrome (22311611322).

The spelling of 21301301010 in words is "twenty-one billion, three hundred one million, three hundred one thousand, ten".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 121 165 242 330 363 605 726 1210 1815 3630 5868127 11736254 17604381 29340635 35208762 58681270 64549397 88021905 129098794 176043810 193648191 322746985 387296382 645493970 710043367 968240955 1420086734 1936481910 2130130101 3550216835 4260260202 7100433670 10650650505 21301301010