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1302131223030 = 235115273374827
BaseRepresentation
bin10010111100101101000…
…100011010100111110110
311121111000202121210121110
4102330231010122213312
5132313231043114110
62434105115055450
7163035011526531
oct22745504324766
94544022553543
101302131223030
1146225a146640
12190441141586
1395a377c7b61
1447048641a18
1523d110a8a20
hex12f2d11a9f6

1302131223030 has 64 divisors (see below), whose sum is σ = 3409326505728. Its totient is φ = 315657970560.

The previous prime is 1302131222999. The next prime is 1302131223037. The reversal of 1302131223030 is 303221312031.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1302131222988 and 1302131223006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302131223037) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17364477 + ... + 17439303.

It is an arithmetic number, because the mean of its divisors is an integer number (53270726652).

Almost surely, 21302131223030 is an apocalyptic number.

1302131223030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1302131223030 is an abundant number, since it is smaller than the sum of its proper divisors (2107195282698).

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

1302131223030 is a wasteful number, since it uses less digits than its factorization.

1302131223030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127581.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1302131223030 its reverse (303221312031), we get a palindrome (1605352535061).

The spelling of 1302131223030 in words is "one trillion, three hundred two billion, one hundred thirty-one million, two hundred twenty-three thousand, thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 52733 74827 105466 149654 158199 224481 263665 316398 374135 448962 527330 580063 748270 790995 823097 1122405 1160126 1581990 1646194 1740189 2244810 2469291 2900315 3480378 4115485 4938582 5800630 8230970 8700945 12346455 17401890 24692910 3945852191 7891704382 11837556573 19729260955 23675113146 39458521910 43404374101 59187782865 86808748202 118375565730 130213122303 217021870505 260426244606 434043741010 651065611515 1302131223030