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103020020010 = 23252273503593
BaseRepresentation
bin101111111110001111…
…0001100000100101010
3100211220122100020212200
41133330132030010222
53141441111120020
6115154324321030
710304634502365
oct1377436140452
9324818306780
10103020020010
113a76612a906
1217b71243176
13993a3b352b
144db41990dc
152a2e435590
hex17fc78c12a

103020020010 has 48 divisors (see below), whose sum is σ = 267970424904. Its totient is φ = 27459864576.

The previous prime is 103020020003. The next prime is 103020020029. The reversal of 103020020010 is 10020020301.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 79224797961 + 23795222049 = 281469^2 + 154257^2 .

It is a super-2 number, since 2×1030200200102 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 103020019974 and 103020020001.

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, 47227 + ... + 456366.

Almost surely, 2103020020010 is an apocalyptic number.

103020020010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103020020010 is an abundant number, since it is smaller than the sum of its proper divisors (164950404894).

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

103020020010 is a wasteful number, since it uses less digits than its factorization.

103020020010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505879 (or 505876 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 103020020010 its reverse (10020020301), we get a palindrome (113040040311).

The spelling of 103020020010 in words is "one hundred three billion, twenty million, twenty thousand, ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 2273 4546 6819 11365 13638 20457 22730 34095 40914 68190 102285 204570 503593 1007186 1510779 2517965 3021558 4532337 5035930 7553895 9064674 15107790 22661685 45323370 1144666889 2289333778 3434000667 5723334445 6868001334 10302002001 11446668890 17170003335 20604004002 34340006670 51510010005 103020020010