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103130920000 = 26542578273
BaseRepresentation
bin110000000001100010…
…1001111010001000000
3100212012101000120001201
41200003011033101000
53142203003420000
6115213325310544
710310452233103
oct1400305172100
9325171016051
10103130920000
113a812796699
1217ba2405454
139957372424
144dc4bc673a
152a3903e96a
hex180314f440

103130920000 has 70 divisors (see below), whose sum is σ = 255731263238. Its totient is φ = 41252352000.

The previous prime is 103130919967. The next prime is 103130920003. The reversal of 103130920000 is 29031301.

It can be written as a sum of positive squares in 5 ways, for example, as 27325412416 + 75805507584 = 165304^2 + 275328^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 103130920000.

It is not an unprimeable number, because it can be changed into a prime (103130920003) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1249137 + ... + 1329136.

Almost surely, 2103130920000 is an apocalyptic number.

103130920000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103130920000 is an abundant number, since it is smaller than the sum of its proper divisors (152600343238).

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

103130920000 is an frugal number, since it uses more digits than its factorization.

103130920000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2578305 (or 2578280 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 103130920000 its reverse (29031301), we get a palindrome (103159951301).

The spelling of 103130920000 in words is "one hundred three billion, one hundred thirty million, nine hundred twenty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 160 200 250 320 400 500 625 800 1000 1250 1600 2000 2500 4000 5000 8000 10000 20000 40000 2578273 5156546 10313092 12891365 20626184 25782730 41252368 51565460 64456825 82504736 103130920 128913650 165009472 206261840 257827300 322284125 412523680 515654600 644568250 825047360 1031309200 1289136500 1611420625 2062618400 2578273000 3222841250 4125236800 5156546000 6445682500 10313092000 12891365000 20626184000 25782730000 51565460000 103130920000