Search a number
-
+
642048713374 = 219295591104207
BaseRepresentation
bin10010101011111010001…
…01011110001010011110
32021101020110221000101211
421111331011132022132
541004403432311444
61210541512055034
764246365006055
oct11257505361236
92241213830354
10642048713374
11228322840292
12a452499447a
13487112b19b3
142310a98b39c
1511a7b63ac34
hex957d15e29e

642048713374 has 32 divisors (see below), whose sum is σ = 1048916044800. Its totient is φ = 293585816160.

The previous prime is 642048713311. The next prime is 642048713387. The reversal of 642048713374 is 473317840246.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6109179 + ... + 6213385.

It is an arithmetic number, because the mean of its divisors is an integer number (32778626400).

Almost surely, 2642048713374 is an apocalyptic number.

642048713374 is a deficient number, since it is larger than the sum of its proper divisors (406867331426).

642048713374 is a wasteful number, since it uses less digits than its factorization.

642048713374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109848.

The product of its (nonzero) digits is 2709504, while the sum is 49.

The spelling of 642048713374 in words is "six hundred forty-two billion, forty-eight million, seven hundred thirteen thousand, three hundred seventy-four".

Divisors: 1 2 19 29 38 58 551 1102 5591 11182 104207 106229 162139 208414 212458 324278 1979933 3022003 3080641 3959866 6044006 6161282 57418057 114836114 582621337 1165242674 11069805403 16896018773 22139610806 33792037546 321024356687 642048713374