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1302013142430 = 23571113371171813
BaseRepresentation
bin10010111100100110000…
…001111110010110011110
311121110201112102200110220
4102330212001332112132
5132313010331024210
62434045300142210
7163032046051320
oct22744601762636
94543645380426
101302013142430
114621a9525970
12190409697966
1395a191c3790
1447036aa5610
1523d05a31c70
hex12f2607e59e

1302013142430 has 256 divisors, whose sum is σ = 4308975691776. Its totient is φ = 242986936320.

The previous prime is 1302013142429. The next prime is 1302013142447. The reversal of 1302013142430 is 342413102031.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1302013142430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 525204 + ... + 1697016.

It is an arithmetic number, because the mean of its divisors is an integer number (16831936296).

Almost surely, 21302013142430 is an apocalyptic number.

1302013142430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1302013142430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2154487845888).

1302013142430 is an abundant number, since it is smaller than the sum of its proper divisors (3006962549346).

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

1302013142430 is a wasteful number, since it uses less digits than its factorization.

1302013142430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171891.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1302013142430 its reverse (342413102031), we get a palindrome (1644426244461).

The spelling of 1302013142430 in words is "one trillion, three hundred two billion, thirteen million, one hundred forty-two thousand, four hundred thirty".