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20103452622 = 23211432718713
BaseRepresentation
bin10010101110010000…
…100101011111001110
31220220001012012120100
4102232100211133032
5312132440440442
613122502431530
71311116346021
oct225620453716
956801165510
1020103452622
118586969560
123a907325a6
131b84c59ac6
14d89d351b8
157c9da384c
hex4ae4257ce

20103452622 has 96 divisors (see below), whose sum is σ = 48807323136. Its totient is φ = 5927644800.

The previous prime is 20103452599. The next prime is 20103452623. The reversal of 20103452622 is 22625430102.

It is a happy number.

20103452622 is a `hidden beast` number, since 2 + 0 + 1 + 0 + 34 + 5 + 2 + 622 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20103452623) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2302938 + ... + 2311650.

It is an arithmetic number, because the mean of its divisors is an integer number (508409616).

Almost surely, 220103452622 is an apocalyptic number.

20103452622 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 20103452622, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24403661568).

20103452622 is an abundant number, since it is smaller than the sum of its proper divisors (28703870514).

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

20103452622 is a wasteful number, since it uses less digits than its factorization.

20103452622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9046 (or 9043 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 20103452622 its reverse (22625430102), we get a palindrome (42728882724).

The spelling of 20103452622 in words is "twenty billion, one hundred three million, four hundred fifty-two thousand, six hundred twenty-two".

Divisors: 1 2 3 6 9 11 18 22 33 43 66 86 99 129 198 258 271 387 473 542 774 813 946 1419 1626 2439 2838 2981 4257 4878 5962 8514 8713 8943 11653 17426 17886 23306 26139 26829 34959 52278 53658 69918 78417 95843 104877 128183 156834 191686 209754 256366 287529 374659 384549 575058 749318 769098 862587 1123977 1153647 1725174 2247954 2307294 2361223 3371931 4121249 4722446 6743862 7083669 8242498 12363747 14167338 21251007 24727494 25973453 37091241 42502014 51946906 74182482 77920359 101532589 155840718 203065178 233761077 304597767 467522154 609195534 913793301 1116858479 1827586602 2233716958 3350575437 6701150874 10051726311 20103452622