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746207652421 = 71191910545167
BaseRepresentation
bin10101101101111010111…
…00010010101001000101
32122100002111100100111001
422312331130102221011
544211213124334141
61330445243413301
7104624502251230
oct12667534225105
92570074310431
10746207652421
112685128478a0
12100753524231
13554a06216ca
142818c0d6417
1514625a43a31
hexadbd712a45

746207652421 has 16 divisors (see below), whose sum is σ = 931349237760. Its totient is φ = 580827743280.

The previous prime is 746207652389. The next prime is 746207652427. The reversal of 746207652421 is 124256702647.

It is a cyclic number.

It is not a de Polignac number, because 746207652421 - 25 = 746207652389 is a prime.

It is a super-2 number, since 2×7462076524212 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (746207652427) 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, 5201821 + ... + 5343346.

It is an arithmetic number, because the mean of its divisors is an integer number (58209327360).

Almost surely, 2746207652421 is an apocalyptic number.

It is an amenable number.

746207652421 is a deficient number, since it is larger than the sum of its proper divisors (185141585339).

746207652421 is a wasteful number, since it uses less digits than its factorization.

746207652421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10546104.

The product of its (nonzero) digits is 1128960, while the sum is 46.

It can be divided in two parts, 746207 and 652421, that added together give a triangular number (1398628 = T1672).

The spelling of 746207652421 in words is "seven hundred forty-six billion, two hundred seven million, six hundred fifty-two thousand, four hundred twenty-one".

Divisors: 1 7 11 77 919 6433 10109 70763 10545167 73816169 115996837 811977859 9691008473 67837059311 106601093203 746207652421