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10620064060 = 22519377417
BaseRepresentation
bin10011110010000000…
…10101000100111100
31000102010112011002221
421321000111010330
5133222214022220
64513452455124
7524114024614
oct117100250474
930363464087
1010620064060
11455a827351
12208477a4a4
1310032bc698
1472a64da44
154225409aa
hex27901513c

10620064060 has 48 divisors (see below), whose sum is σ = 23541265440. Its totient is φ = 4024393344.

The previous prime is 10620064043. The next prime is 10620064069. The reversal of 10620064060 is 6046002601.

It is a happy number.

It is a super-2 number, since 2×106200640602 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10620064069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98472 + ... + 175888.

It is an arithmetic number, because the mean of its divisors is an integer number (490443030).

Almost surely, 210620064060 is an apocalyptic number.

10620064060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10620064060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11770632720).

10620064060 is an abundant number, since it is smaller than the sum of its proper divisors (12921201380).

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

10620064060 is an equidigital number, since it uses as much as digits as its factorization.

10620064060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77483 (or 77443 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 10620064060 its reverse (6046002601), we get a palindrome (16666066661).

The spelling of 10620064060 in words is "ten billion, six hundred twenty million, sixty-four thousand, sixty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 361 380 722 1444 1805 3610 6859 7220 13718 27436 34295 68590 77417 137180 154834 309668 387085 774170 1470923 1548340 2941846 5883692 7354615 14709230 27947537 29418460 55895074 111790148 139737685 279475370 531003203 558950740 1062006406 2124012812 2655016015 5310032030 10620064060