Search a number
-
+
1025420055474 = 23388573439823
BaseRepresentation
bin11101110101111111100…
…11000101001110110010
310122000210021202001002010
432322333303011032302
5113300030013233344
62103023234303350
7134040602441643
oct16727763051662
93560707661063
101025420055474
11365972985901
12146897127b56
1375909846099
14378b84d56ca
151ba1825e8b9
hexeebfcc53b2

1025420055474 has 16 divisors (see below), whose sum is σ = 2050850051712. Its totient is φ = 341805028368.

The previous prime is 1025420055431. The next prime is 1025420055523. The reversal of 1025420055474 is 4745500245201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2111527 + ... + 2551349.

It is an arithmetic number, because the mean of its divisors is an integer number (128178128232).

Almost surely, 21025420055474 is an apocalyptic number.

1025420055474 is an abundant number, since it is smaller than the sum of its proper divisors (1025429996238).

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

1025420055474 is a wasteful number, since it uses less digits than its factorization.

1025420055474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828401.

The product of its (nonzero) digits is 224000, while the sum is 39.

The spelling of 1025420055474 in words is "one trillion, twenty-five billion, four hundred twenty million, fifty-five thousand, four hundred seventy-four".

Divisors: 1 2 3 6 388573 439823 777146 879646 1165719 1319469 2331438 2638938 170903342579 341806685158 512710027737 1025420055474