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1302313121120 = 255113907189391
BaseRepresentation
bin10010111100110111111…
…010010011010101100000
311121111111102220011212202
4102330313322103111200
5132314114124333440
62434135133512332
7163042350611624
oct22746772232540
94544442804782
101302313121120
11462342895340
121904920426a8
1395a663b496b
1447064871184
1523d22039615
hex12f37e93560

1302313121120 has 96 divisors (see below), whose sum is σ = 3357292893696. Its totient is φ = 473444697600.

The previous prime is 1302313121107. The next prime is 1302313121149. The reversal of 1302313121120 is 211213132031.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1302313121092 and 1302313121101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6781625 + ... + 6971015.

It is an arithmetic number, because the mean of its divisors is an integer number (34971800976).

Almost surely, 21302313121120 is an apocalyptic number.

1302313121120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1302313121120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1678646446848).

1302313121120 is an abundant number, since it is smaller than the sum of its proper divisors (2054979772576).

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

1302313121120 is a wasteful number, since it uses less digits than its factorization.

1302313121120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193324 (or 193316 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1302313121120 its reverse (211213132031), we get a palindrome (1513526253151).

The spelling of 1302313121120 in words is "one trillion, three hundred two billion, three hundred thirteen million, one hundred twenty-one thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 11 16 20 22 32 40 44 55 80 88 110 160 176 220 352 440 880 1760 3907 7814 15628 19535 31256 39070 42977 62512 78140 85954 125024 156280 171908 189391 214885 312560 343816 378782 429770 625120 687632 757564 859540 946955 1375264 1515128 1719080 1893910 2083301 3030256 3438160 3787820 4166602 6060512 6876320 7575640 8333204 10416505 15151280 16666408 20833010 30302560 33332816 41666020 66665632 83332040 166664080 333328160 739950637 1479901274 2959802548 3699753185 5919605096 7399506370 8139457007 11839210192 14799012740 16278914014 23678420384 29598025480 32557828028 40697285035 59196050960 65115656056 81394570070 118392101920 130231312112 162789140140 260462624224 325578280280 651156560560 1302313121120