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1954722113085 = 3571931139227387
BaseRepresentation
bin11100011100011110100…
…001000110011000111101
320220212110221111212201110
4130130132201012120331
5224011232330104320
64053553102432233
7261136556546610
oct34343641063075
96825427455643
101954722113085
11693aa1745235
12276a08592679
13112438bc8601
146a875366177
1535ca7e9c5e0
hex1c71e84663d

1954722113085 has 128 divisors (see below), whose sum is σ = 3911801241600. Its totient is φ = 813350626560.

The previous prime is 1954722113051. The next prime is 1954722113093. The reversal of 1954722113085 is 5803112274591.

It is a happy number.

It is not a de Polignac number, because 1954722113085 - 26 = 1954722113021 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 8482762 + ... + 8710148.

It is an arithmetic number, because the mean of its divisors is an integer number (30560947200).

Almost surely, 21954722113085 is an apocalyptic number.

1954722113085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1954722113085 is an abundant number, since it is smaller than the sum of its proper divisors (1957079128515).

1954722113085 is a wasteful number, since it uses less digits than its factorization.

1954722113085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227591.

The product of its (nonzero) digits is 604800, while the sum is 48.

The spelling of 1954722113085 in words is "one trillion, nine hundred fifty-four billion, seven hundred twenty-two million, one hundred thirteen thousand, eighty-five".

Divisors: 1 3 5 7 15 19 21 31 35 57 93 95 105 133 139 155 217 285 399 417 465 589 651 665 695 973 1085 1767 1995 2085 2641 2919 2945 3255 4123 4309 4865 7923 8835 12369 12927 13205 14595 18487 20615 21545 30163 39615 55461 61845 64635 81871 90489 92435 150815 227387 245613 277305 409355 452445 573097 682161 1136935 1228065 1591709 1719291 2865485 3410805 4320353 4775127 7048997 7958545 8596455 12961059 21146991 21601765 23875635 30242471 31606793 35244985 49342979 64805295 90727413 94820379 105734955 133930943 148028937 151212355 158033965 221247551 246714895 401792829 453637065 474101895 600529067 663742653 669654715 740144685 937516601 979810583 1106237755 1801587201 2008964145 2812549803 2939431749 3002645335 3318713265 4203703469 4687583005 4899052915 6858674081 9007936005 12611110407 14062749015 14697158745 18616401077 20576022243 21018517345 34293370405 55849203231 63055552035 93082005385 102880111215 130314807539 279246016155 390944422617 651574037695 1954722113085