Search a number
-
+
19377058990 = 2519211148311
BaseRepresentation
bin10010000010111101…
…100111010010101110
31212000102100120211111
4102002331213102232
5304141011341430
612522433342234
71254116166232
oct220275472256
955012316744
1019377058990
118243932243
12390940797a
131a9a6090a3
14d1b68a5c2
1578621ac2a
hex482f674ae

19377058990 has 32 divisors (see below), whose sum is σ = 36732579840. Its totient is φ = 7339255200.

The previous prime is 19377058937. The next prime is 19377058993. The reversal of 19377058990 is 9985077391.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19377058993) 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, 376935 + ... + 425245.

It is an arithmetic number, because the mean of its divisors is an integer number (1147893120).

Almost surely, 219377058990 is an apocalyptic number.

19377058990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19377058990 is a deficient number, since it is larger than the sum of its proper divisors (17355520850).

19377058990 is a wasteful number, since it uses less digits than its factorization.

19377058990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50448.

The product of its (nonzero) digits is 4286520, while the sum is 58.

The spelling of 19377058990 in words is "nineteen billion, three hundred seventy-seven million, fifty-eight thousand, nine hundred ninety".

Divisors: 1 2 5 10 19 38 95 190 2111 4222 10555 21110 40109 48311 80218 96622 200545 241555 401090 483110 917909 1835818 4589545 9179090 101984521 203969042 509922605 1019845210 1937705899 3875411798 9688529495 19377058990