Search a number
-
+
103031110102020 = 22352141802048187
BaseRepresentation
bin10111011011010011001100…
…101101111110110000000100
3111111210200022012201201210120
4113123103030231332300010
5102001030203141231040
61003043501043421540
730462515645664252
oct2733231455766004
9444720265651716
10103031110102020
112a913280700a71
12b6801523848b0
134564a3b017a29
141b62a377615d2
15bda12031b7d0
hex5db4ccb7ec04

103031110102020 has 48 divisors (see below), whose sum is σ = 288621852740928. Its totient is φ = 27462129888640.

The previous prime is 103031110102003. The next prime is 103031110102033. The reversal of 103031110102020 is 20201011130301.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 400895634 + ... + 401152553.

It is an arithmetic number, because the mean of its divisors is an integer number (6012955265436).

Almost surely, 2103031110102020 is an apocalyptic number.

103031110102020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103031110102020 is an abundant number, since it is smaller than the sum of its proper divisors (185590742638908).

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

103031110102020 is a wasteful number, since it uses less digits than its factorization.

103031110102020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802050340 (or 802050338 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 103031110102020 its reverse (20201011130301), we get a palindrome (123232121232321).

The spelling of 103031110102020 in words is "one hundred three trillion, thirty-one billion, one hundred ten million, one hundred two thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 2141 4282 6423 8564 10705 12846 21410 25692 32115 42820 64230 128460 802048187 1604096374 2406144561 3208192748 4010240935 4812289122 8020481870 9624578244 12030722805 16040963740 24061445610 48122891220 1717185168367 3434370336734 5151555505101 6868740673468 8585925841835 10303111010202 17171851683670 20606222020404 25757777525505 34343703367340 51515555051010 103031110102020