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20013633506130 = 235111091735875479
BaseRepresentation
bin1001000110011110010011…
…00001000000101101010010
32121212021200112022101011020
410203033021201000231102
510110400410134144010
6110322045235300310
74133636331636105
oct443171141005522
977767615271136
1020013633506130
1164168093a5a80
1222b293944a696
13b2237b9b3124
144d2944bb273c
1524a901c23470
hex1233c9840b52

20013633506130 has 256 divisors, whose sum is σ = 53286053990400. Its totient is φ = 4770477296640.

The previous prime is 20013633506129. The next prime is 20013633506177. The reversal of 20013633506130 is 3160533631002.

It is a happy number.

It is a super-2 number, since 2×200136335061302 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 20013633506091 and 20013633506100.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3652786731 + ... + 3652792209.

It is an arithmetic number, because the mean of its divisors is an integer number (208148648400).

Almost surely, 220013633506130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20013633506130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26643026995200).

20013633506130 is an abundant number, since it is smaller than the sum of its proper divisors (33272420484270).

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

20013633506130 is a wasteful number, since it uses less digits than its factorization.

20013633506130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6369.

The product of its (nonzero) digits is 29160, while the sum is 33.

The spelling of 20013633506130 in words is "twenty trillion, thirteen billion, six hundred thirty-three million, five hundred six thousand, one hundred thirty".