Search a number
-
+
672024654021 = 37131244283771
BaseRepresentation
bin10011100011101111100…
…10100111000011000101
32101020121112221120112210
421301313302213003011
542002301302412041
61232420204334033
766360253211040
oct11616762470305
92336545846483
10672024654021
1123a005441156
12aa2ab844319
134b4aa6a1a96
1424751b31c57
15127330b1016
hex9c77ca70c5

672024654021 has 16 divisors (see below), whose sum is σ = 1031854652928. Its totient is φ = 381082681200.

The previous prime is 672024654011. The next prime is 672024654023. The reversal of 672024654021 is 120456420276.

It is not a de Polignac number, because 672024654021 - 27 = 672024653893 is a prime.

It is a super-2 number, since 2×6720246540212 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672024654023) 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, 122139135 + ... + 122144636.

It is an arithmetic number, because the mean of its divisors is an integer number (64490915808).

Almost surely, 2672024654021 is an apocalyptic number.

It is an amenable number.

672024654021 is a deficient number, since it is larger than the sum of its proper divisors (359829998907).

672024654021 is a wasteful number, since it uses less digits than its factorization.

672024654021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244283912.

The product of its (nonzero) digits is 161280, while the sum is 39.

The spelling of 672024654021 in words is "six hundred seventy-two billion, twenty-four million, six hundred fifty-four thousand, twenty-one".

Divisors: 1 3 7 21 131 393 917 2751 244283771 732851313 1709986397 5129959191 32001174001 96003522003 224008218007 672024654021