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1310122030 = 25721538693
BaseRepresentation
bin100111000010110…
…1110000000101110
310101022020002120011
41032011232000232
510140342401110
6334000243434
744315565520
oct11605560056
93338202504
101310122030
11612591088
1230691057a
1317b570249
14c5dd7a10
157a03e48a
hex4e16e02e

1310122030 has 32 divisors (see below), whose sum is σ = 2696670144. Its totient is φ = 448924416.

The previous prime is 1310122027. The next prime is 1310122063. The reversal of 1310122030 is 302210131.

It is a self number, because there is not a number n which added to its sum of digits gives 1310122030.

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, 146364 + ... + 155056.

It is an arithmetic number, because the mean of its divisors is an integer number (84270942).

Almost surely, 21310122030 is an apocalyptic number.

1310122030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1310122030 is an abundant number, since it is smaller than the sum of its proper divisors (1386548114).

1310122030 is a wasteful number, since it uses less digits than its factorization.

1310122030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10860.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1310122030 is about 36195.6078827252. The cubic root of 1310122030 is about 1094.2181557019.

Adding to 1310122030 its reverse (302210131), we get a palindrome (1612332161).

The spelling of 1310122030 in words is "one billion, three hundred ten million, one hundred twenty-two thousand, thirty".

Divisors: 1 2 5 7 10 14 35 70 2153 4306 8693 10765 15071 17386 21530 30142 43465 60851 75355 86930 121702 150710 304255 608510 18716029 37432058 93580145 131012203 187160290 262024406 655061015 1310122030