Search a number
-
+
102400030450 = 2527128845079
BaseRepresentation
bin101111101011110000…
…1000111011011110010
3100210022102201112002101
41133113201013123302
53134203401433300
6115013020011014
710253365616554
oct1372741073362
9323272645071
10102400030450
113a478169543
1217a19690a6a
13986bb091c3
144d55acb4d4
1529e4cb9b6a
hex17d78476f2

102400030450 has 24 divisors (see below), whose sum is σ = 193146655680. Its totient is φ = 40383109200.

The previous prime is 102400030423. The next prime is 102400030471. The reversal of 102400030450 is 54030004201.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14418990 + ... + 14426089.

It is an arithmetic number, because the mean of its divisors is an integer number (8047777320).

Almost surely, 2102400030450 is an apocalyptic number.

102400030450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102400030450 is a deficient number, since it is larger than the sum of its proper divisors (90746625230).

102400030450 is a wasteful number, since it uses less digits than its factorization.

102400030450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28845162 (or 28845157 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

Adding to 102400030450 its reverse (54030004201), we get a palindrome (156430034651).

The spelling of 102400030450 in words is "one hundred two billion, four hundred million, thirty thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 71 142 355 710 1775 3550 28845079 57690158 144225395 288450790 721126975 1442253950 2048000609 4096001218 10240003045 20480006090 51200015225 102400030450