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490770940154 = 21143518785349
BaseRepresentation
bin1110010010001000011…
…10100100000011111010
31201220202200002220012012
413021010032210003322
531020044330041104
61013242420245522
750312522106335
oct7110416440372
91656680086165
10490770940154
1117a153446210
127b1462408a2
13373830aa411
1419a7962361c
15cb757abd6e
hex72443a40fa

490770940154 has 16 divisors (see below), whose sum is σ = 821755994400. Its totient is φ = 217889846160.

The previous prime is 490770940117. The next prime is 490770940169. The reversal of 490770940154 is 451049077094.

It is a super-2 number, since 2×4907709401542 (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259391729 + ... + 259393620.

It is an arithmetic number, because the mean of its divisors is an integer number (51359749650).

Almost surely, 2490770940154 is an apocalyptic number.

490770940154 is a deficient number, since it is larger than the sum of its proper divisors (330985054246).

490770940154 is a wasteful number, since it uses less digits than its factorization.

490770940154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518785405.

The product of its (nonzero) digits is 1270080, while the sum is 50.

The spelling of 490770940154 in words is "four hundred ninety billion, seven hundred seventy million, nine hundred forty thousand, one hundred fifty-four".

Divisors: 1 2 11 22 43 86 473 946 518785349 1037570698 5706638839 11413277678 22307770007 44615540014 245385470077 490770940154