Search a number
-
+
29721882680476 = 2271779790391519
BaseRepresentation
bin1101100001000001010100…
…10000100101110010011100
310220020101101002220002002021
412300200222100211302130
512343430403431233401
6143114013331505524
76155222650234030
oct660405220456234
9126211332802067
1029721882680476
119519a85a1a558
1234003724582a4
1313779b90667ac
1474a7925aa1c0
153682037c22a1
hex1b082a425c9c

29721882680476 has 48 divisors (see below), whose sum is σ = 63737172172800. Its totient is φ = 11836903373568.

The previous prime is 29721882680299. The next prime is 29721882680569. The reversal of 29721882680476 is 67408628812792.

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, 395158156 + ... + 395233363.

It is an arithmetic number, because the mean of its divisors is an integer number (1327857753600).

Almost surely, 229721882680476 is an apocalyptic number.

It is an amenable number.

29721882680476 is an abundant number, since it is smaller than the sum of its proper divisors (34015289492324).

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

29721882680476 is a wasteful number, since it uses less digits than its factorization.

29721882680476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790391626 (or 790391624 counting only the distinct ones).

The product of its (nonzero) digits is 260112384, while the sum is 70.

The spelling of 29721882680476 in words is "twenty-nine trillion, seven hundred twenty-one billion, eight hundred eighty-two million, six hundred eighty thousand, four hundred seventy-six".

Divisors: 1 2 4 7 14 17 28 34 68 79 119 158 238 316 476 553 1106 1343 2212 2686 5372 9401 18802 37604 790391519 1580783038 3161566076 5532740633 11065481266 13436655823 22130962532 26873311646 53746623292 62440930001 94056590761 124881860002 188113181522 249763720004 376226363044 437086510007 874173020014 1061495810017 1748346040028 2122991620034 4245983240068 7430470670119 14860941340238 29721882680476