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1302021331234 = 2131997123122073
BaseRepresentation
bin10010111100100110100…
…001001101100100100010
311121110202002211201101221
4102330212201031210202
5132313014430044414
62434050151445254
7163032205465351
oct22744641154442
94543662751357
101302021331234
11462203109278
1219041038682a
1395a1aaccb20
1447037bd7998
1523d065ed224
hex12f2684d922

1302021331234 has 64 divisors (see below), whose sum is σ = 2238706229760. Its totient is φ = 562952540160.

The previous prime is 1302021331229. The next prime is 1302021331271. The reversal of 1302021331234 is 4321331202031.

It is a junction number, because it is equal to n+sod(n) for n = 1302021331199 and 1302021331208.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58976022 + ... + 58998094.

It is an arithmetic number, because the mean of its divisors is an integer number (34979784840).

Almost surely, 21302021331234 is an apocalyptic number.

1302021331234 is a deficient number, since it is larger than the sum of its proper divisors (936684898526).

1302021331234 is a wasteful number, since it uses less digits than its factorization.

1302021331234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23435.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 1302021331234 its reverse (4321331202031), we get a palindrome (5623352533265).

The spelling of 1302021331234 in words is "one trillion, three hundred two billion, twenty-one million, three hundred thirty-one thousand, two hundred thirty-four".

Divisors: 1 2 13 19 26 38 97 194 247 494 1231 1261 1843 2462 2522 3686 16003 22073 23389 23959 32006 44146 46778 47918 119407 238814 286949 304057 419387 573898 608114 838774 1552291 2141081 2268733 3104582 4282162 4537466 5452031 10904062 27171863 27834053 29493529 40680539 54343726 55668106 58987058 81361078 353234219 516265397 528847007 706468438 1032530794 1057694014 2635670711 5271341422 6711450161 13422900322 34263719243 50077743509 68527438486 100155487018 651010665617 1302021331234