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20476600542 = 23219409146389
BaseRepresentation
bin10011000100100000…
…000010000011011110
31221212001100002021200
4103010200002003132
5313414002204132
613223512340330
71323300142566
oct230440020336
957761302250
1020476600542
118758564072
123b756a46a6
131c143591a8
14dc3709da6
157eca10d7c
hex4c48020de

20476600542 has 48 divisors (see below), whose sum is σ = 46815522000. Its totient is φ = 6450440832.

The previous prime is 20476600513. The next prime is 20476600577. The reversal of 20476600542 is 24500667402.

20476600542 is a `hidden beast` number, since 2 + 0 + 4 + 7 + 6 + 600 + 5 + 42 = 666.

20476600542 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 20476600497 and 20476600506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66684 + ... + 213072.

It is an arithmetic number, because the mean of its divisors is an integer number (975323375).

Almost surely, 220476600542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20476600542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23407761000).

20476600542 is an abundant number, since it is smaller than the sum of its proper divisors (26338921458).

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

20476600542 is a wasteful number, since it uses less digits than its factorization.

20476600542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146825 (or 146822 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The spelling of 20476600542 in words is "twenty billion, four hundred seventy-six million, six hundred thousand, five hundred forty-two".

Divisors: 1 2 3 6 9 18 19 38 57 114 171 342 409 818 1227 2454 3681 7362 7771 15542 23313 46626 69939 139878 146389 292778 439167 878334 1317501 2635002 2781391 5562782 8344173 16688346 25032519 50065038 59873101 119746202 179619303 359238606 538857909 1077715818 1137588919 2275177838 3412766757 6825533514 10238300271 20476600542