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1310000213020 = 2251714932580671
BaseRepresentation
bin10011000100000010000…
…110001110110000011100
311122020100011111220120011
4103010002012032300130
5132430340023304040
62441450014533004
7163434012041362
oct23040206166034
94566304456504
101310000213020
11465627a72254
12191a78507164
13966bcb5a855
1447593765632
1524121d263ea
hex1310218ec1c

1310000213020 has 48 divisors (see below), whose sum is σ = 2914776119808. Its totient is φ = 492846033920.

The previous prime is 1310000213009. The next prime is 1310000213083. The reversal of 1310000213020 is 203120000131.

It is a super-2 number, since 2×13100002130202 (a number of 25 digits) contains 22 as substring.

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, 782716 + ... + 1797955.

It is an arithmetic number, because the mean of its divisors is an integer number (60724502496).

Almost surely, 21310000213020 is an apocalyptic number.

1310000213020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1310000213020 is an abundant number, since it is smaller than the sum of its proper divisors (1604775906788).

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

1310000213020 is a wasteful number, since it uses less digits than its factorization.

1310000213020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2582190 (or 2582188 counting only the distinct ones).

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

Adding to 1310000213020 its reverse (203120000131), we get a palindrome (1513120213151).

The spelling of 1310000213020 in words is "one trillion, three hundred ten billion, two hundred thirteen thousand, twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 1493 2986 5972 7465 14930 25381 29860 50762 101524 126905 253810 507620 2580671 5161342 10322684 12903355 25806710 43871407 51613420 87742814 175485628 219357035 438714070 877428140 3852941803 7705883606 15411767212 19264709015 38529418030 65500010651 77058836060 131000021302 262000042604 327500053255 655000106510 1310000213020