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2961139227990 = 2351714813920429
BaseRepresentation
bin101011000101110001101…
…001101101110101010110
3101111002012212212111221220
4223011301221231311112
5342003403120243430
610144154550151210
7423635535100506
oct53056151556526
911432185774856
102961139227990
11a418a2996579
123b9a7b652506
131863077b4658
14a3469b59a06
155205cc91110
hex2b171a6dd56

2961139227990 has 64 divisors (see below), whose sum is σ = 7529860128960. Its totient is φ = 742685880320.

The previous prime is 2961139227947. The next prime is 2961139228043. The reversal of 2961139227990 is 997229311692.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1204905 + ... + 2715524.

It is an arithmetic number, because the mean of its divisors is an integer number (117654064515).

Almost surely, 22961139227990 is an apocalyptic number.

2961139227990 is an abundant number, since it is smaller than the sum of its proper divisors (4568720900970).

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

2961139227990 is a wasteful number, since it uses less digits than its factorization.

2961139227990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3921937.

The product of its (nonzero) digits is 6613488, while the sum is 60.

The spelling of 2961139227990 in words is "two trillion, nine hundred sixty-one billion, one hundred thirty-nine million, two hundred twenty-seven thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 102 170 255 510 1481 2962 4443 7405 8886 14810 22215 25177 44430 50354 75531 125885 151062 251770 377655 755310 3920429 7840858 11761287 19602145 23522574 39204290 58806435 66647293 117612870 133294586 199941879 333236465 399883758 666472930 999709395 1999418790 5806155349 11612310698 17418466047 29030776745 34836932094 58061553490 87092330235 98704640933 174184660470 197409281866 296113922799 493523204665 592227845598 987046409330 1480569613995 2961139227990