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21410001340 = 22571311763737
BaseRepresentation
bin10011111100001000…
…101011000110111100
32001021002200202110121
4103330020223012330
5322321430020330
613500254344324
71355363002660
oct237410530674
961232622417
1021410001340
119097429992
1241961bb0a4
132032848760
14107167c8a0
1585493917a
hex4fc22b1bc

21410001340 has 48 divisors (see below), whose sum is σ = 55336623552. Its totient is φ = 6775911936.

The previous prime is 21410001337. The next prime is 21410001343. The reversal of 21410001340 is 4310001412.

It is an interprime number because it is at equal distance from previous prime (21410001337) and next prime (21410001343).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21410001343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5880049 + ... + 5883688.

It is an arithmetic number, because the mean of its divisors is an integer number (1152846324).

Almost surely, 221410001340 is an apocalyptic number.

21410001340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21410001340 is an abundant number, since it is smaller than the sum of its proper divisors (33926622212).

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

21410001340 is a wasteful number, since it uses less digits than its factorization.

21410001340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11763766 (or 11763764 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 21410001340 its reverse (4310001412), we get a palindrome (25720002752).

The spelling of 21410001340 in words is "twenty-one billion, four hundred ten million, one thousand, three hundred forty".

Divisors: 1 2 4 5 7 10 13 14 20 26 28 35 52 65 70 91 130 140 182 260 364 455 910 1820 11763737 23527474 47054948 58818685 82346159 117637370 152928581 164692318 235274740 305857162 329384636 411730795 611714324 764642905 823461590 1070500067 1529285810 1646923180 2141000134 3058571620 4282000268 5352500335 10705000670 21410001340