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1254113423420 = 22511131732534689
BaseRepresentation
bin10010001111111110111…
…111000011000000111100
311102220002022122211201212
4102033332333003000330
5131021411014022140
62400044243023552
7156415046132624
oct22177677030074
94386068584655
101254113423420
11443959373030
1218308006abb8
139135460c790
14449b1295884
152295075c765
hex123fefc303c

1254113423420 has 96 divisors (see below), whose sum is σ = 3111950439360. Its totient is φ = 418527682560.

The previous prime is 1254113423383. The next prime is 1254113423449. The reversal of 1254113423420 is 243243114521.

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, 772565 + ... + 1762124.

It is an arithmetic number, because the mean of its divisors is an integer number (32416150410).

Almost surely, 21254113423420 is an apocalyptic number.

1254113423420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1254113423420 is an abundant number, since it is smaller than the sum of its proper divisors (1857837015940).

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

1254113423420 is a wasteful number, since it uses less digits than its factorization.

1254113423420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2534895 (or 2534893 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 1254113423420 its reverse (243243114521), we get a palindrome (1497356537941).

The spelling of 1254113423420 in words is "one trillion, two hundred fifty-four billion, one hundred thirteen million, four hundred twenty-three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 11 13 20 22 26 44 52 55 65 110 130 143 173 220 260 286 346 572 692 715 865 1430 1730 1903 2249 2860 3460 3806 4498 7612 8996 9515 11245 19030 22490 24739 38060 44980 49478 98956 123695 247390 494780 2534689 5069378 10138756 12673445 25346890 27881579 32950957 50693780 55763158 65901914 111526316 131803828 139407895 164754785 278815790 329509570 362460527 438501197 557631580 659019140 724921054 877002394 1449842108 1754004788 1812302635 2192505985 3624605270 4385011970 4823513167 5700515561 7249210540 8770023940 9647026334 11401031122 19294052668 22802062244 24117565835 28502577805 48235131670 57005155610 62705671171 96470263340 114010311220 125411342342 250822684684 313528355855 627056711710 1254113423420