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121481848320 = 293572259707
BaseRepresentation
bin111000100100011100…
…0011110011000000000
3102121120021112022020120
41301020320132120000
53442243323121240
6131450305340240
711530301446620
oct1611070363000
9377507468216
10121481848320
114757a377758
121b664037680
13b5c01c25b1
145c46082880
153260116ad0
hex1c48e1e600

121481848320 has 160 divisors (see below), whose sum is σ = 443842806528. Its totient is φ = 27767267328.

The previous prime is 121481848307. The next prime is 121481848321. The reversal of 121481848320 is 23848184121.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121481848321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1076094 + ... + 1183613.

Almost surely, 2121481848320 is an apocalyptic number.

121481848320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121481848320 is an abundant number, since it is smaller than the sum of its proper divisors (322360958208).

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

121481848320 is an equidigital number, since it uses as much as digits as its factorization.

121481848320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2259740 (or 2259724 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 42.

The spelling of 121481848320 in words is "one hundred twenty-one billion, four hundred eighty-one million, eight hundred forty-eight thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 56 60 64 70 80 84 96 105 112 120 128 140 160 168 192 210 224 240 256 280 320 336 384 420 448 480 512 560 640 672 768 840 896 960 1120 1280 1344 1536 1680 1792 1920 2240 2560 2688 3360 3584 3840 4480 5376 6720 7680 8960 10752 13440 17920 26880 53760 2259707 4519414 6779121 9038828 11298535 13558242 15817949 18077656 22597070 27116484 31635898 33895605 36155312 45194140 47453847 54232968 63271796 67791210 72310624 79089745 90388280 94907694 108465936 126543592 135582420 144621248 158179490 180776560 189815388 216931872 237269235 253087184 271164840 289242496 316358980 361553120 379630776 433863744 474538470 506174368 542329680 578484992 632717960 723106240 759261552 867727488 949076940 1012348736 1084659360 1156969984 1265435920 1446212480 1518523104 1735454976 1898153880 2024697472 2169318720 2530871840 2892424960 3037046208 3470909952 3796307760 4049394944 4338637440 5061743680 5784849920 6074092416 7592615520 8098789888 8677274880 10123487360 12148184832 15185231040 17354549760 20246974720 24296369664 30370462080 40493949440 60740924160 121481848320