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10243220412 = 2235657150893
BaseRepresentation
bin10011000101000101…
…10010001110111100
3222102212102111210210
421202202302032330
5131434231023122
64412231432420
7511556636235
oct114242621674
928385374723
1010243220412
114387038117
121b9a525710
13c731c8089
146d259608c
153ee40340c
hex2628b23bc

10243220412 has 24 divisors (see below), whose sum is σ = 23905231056. Its totient is φ = 3413780608.

The previous prime is 10243220411. The next prime is 10243220419. The reversal of 10243220412 is 21402234201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10243220411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7563 + ... + 143330.

It is an arithmetic number, because the mean of its divisors is an integer number (996051294).

Almost surely, 210243220412 is an apocalyptic number.

10243220412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10243220412 is an abundant number, since it is smaller than the sum of its proper divisors (13662010644).

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

10243220412 is a wasteful number, since it uses less digits than its factorization.

10243220412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156557 (or 156555 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 10243220412 its reverse (21402234201), we get a palindrome (31645454613).

The spelling of 10243220412 in words is "ten billion, two hundred forty-three million, two hundred twenty thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 5657 11314 16971 22628 33942 67884 150893 301786 452679 603572 905358 1810716 853601701 1707203402 2560805103 3414406804 5121610206 10243220412