Search a number
-
+
1890954875377 = 31798918234759
BaseRepresentation
bin11011100001000101101…
…100011001000111110001
320200202212220012120100201
4123201011230121013301
5221440133422003002
64004405341315201
7253421424144601
oct33410554310761
96622786176321
101890954875377
11669a49803787
12266590b65b01
13109415b353a9
146774642cc01
15342c4b51087
hex1b845b191f1

1890954875377 has 32 divisors (see below), whose sum is σ = 2000388096000. Its totient is φ = 1785136129920.

The previous prime is 1890954875287. The next prime is 1890954875401. The reversal of 1890954875377 is 7735784590981.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1890954875377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1890954875477) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 397340524 + ... + 397345282.

It is an arithmetic number, because the mean of its divisors is an integer number (62512128000).

Almost surely, 21890954875377 is an apocalyptic number.

It is an amenable number.

1890954875377 is a deficient number, since it is larger than the sum of its proper divisors (109433220623).

1890954875377 is a wasteful number, since it uses less digits than its factorization.

1890954875377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6781.

The product of its (nonzero) digits is 533433600, while the sum is 73.

The spelling of 1890954875377 in words is "one trillion, eight hundred ninety billion, nine hundred fifty-four million, eight hundred seventy-five thousand, three hundred seventy-seven".

Divisors: 1 31 79 89 1823 2449 2759 4759 7031 56513 144017 147529 162247 217961 375961 423551 4464527 5029657 8675657 11654791 12817513 13130081 33460529 268945367 397342903 685376903 772133473 1037276399 21246683993 23936137663 60998544367 1890954875377