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20052256201530 = 2357440921657277
BaseRepresentation
bin1001000111100110001111…
…00110111001101100111010
32121222222101012201120221020
410203303013212321230322
510112014010041422110
6110351513533523310
74136504413300440
oct443630746715472
977888335646836
1020052256201530
116431128956753
1222ba318043536
13b25bc5602147
144d476a498b90
1524b912849d70
hex123cc79b9b3a

20052256201530 has 64 divisors (see below), whose sum is σ = 55012951284480. Its totient is φ = 4582333085184.

The previous prime is 20052256201499. The next prime is 20052256201559. The reversal of 20052256201530 is 3510265225002.

It is a junction number, because it is equal to n+sod(n) for n = 20052256201491 and 20052256201500.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9902749 + ... + 11754528.

It is an arithmetic number, because the mean of its divisors is an integer number (859577363820).

Almost surely, 220052256201530 is an apocalyptic number.

20052256201530 is an abundant number, since it is smaller than the sum of its proper divisors (34960695082950).

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

20052256201530 is a wasteful number, since it uses less digits than its factorization.

20052256201530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21661703.

The product of its (nonzero) digits is 36000, while the sum is 33.

The spelling of 20052256201530 in words is "twenty trillion, fifty-two billion, two hundred fifty-six million, two hundred one thousand, five hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 4409 8818 13227 22045 26454 30863 44090 61726 66135 92589 132270 154315 185178 308630 462945 925890 21657277 43314554 64971831 108286385 129943662 151600939 216572770 303201878 324859155 454802817 649718310 758004695 909605634 1516009390 2274014085 4548028170 95486934293 190973868586 286460802879 477434671465 572921605758 668408540051 954869342930 1336817080102 1432304014395 2005225620153 2864608028790 3342042700255 4010451240306 6684085400510 10026128100765 20052256201530