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3130302120320 = 27524317201139
BaseRepresentation
bin101101100011010100100…
…010111100000110000000
3102002020212010200211020102
4231203110202330012000
5402241324320322240
610354012502101532
7442104543001514
oct55432442740600
912066763624212
103130302120320
11aa760aa38321
1242680ba1a8a8
1319925619564b
14ab716568144
155665dd84815
hex2d8d48bc180

3130302120320 has 64 divisors (see below), whose sum is σ = 7483723455600. Its totient is φ = 1252063131648.

The previous prime is 3130302120293. The next prime is 3130302120329. The reversal of 3130302120320 is 230212030313.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 3130302120292 and 3130302120301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3130302120329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15462311 + ... + 15663449.

Almost surely, 23130302120320 is an apocalyptic number.

It is an amenable number.

3130302120320 is an abundant number, since it is smaller than the sum of its proper divisors (4353421335280).

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

3130302120320 is a wasteful number, since it uses less digits than its factorization.

3130302120320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225475 (or 225463 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 3130302120320 its reverse (230212030313), we get a palindrome (3360514150633).

The spelling of 3130302120320 in words is "three trillion, one hundred thirty billion, three hundred two million, one hundred twenty thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 640 24317 48634 97268 121585 194536 201139 243170 389072 402278 486340 778144 804556 972680 1005695 1556288 1609112 1945360 2011390 3112576 3218224 3890720 4022780 6436448 7781440 8045560 12872896 15562880 16091120 25745792 32182240 64364480 128728960 4891097063 9782194126 19564388252 24455485315 39128776504 48910970630 78257553008 97821941260 156515106016 195643882520 313030212032 391287765040 626060424064 782575530080 1565151060160 3130302120320