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122130747102 = 237131912792699
BaseRepresentation
bin111000110111110001…
…1110100111011011110
3102200020111112210000210
41301233203310323132
54000110432401402
6132034525433250
711552341136040
oct1615743647336
9380214483023
10122130747102
1147882693a41
121b80540b826
13b69477c280
145ca8317a90
15329c09306c
hex1c6f8f4ede

122130747102 has 128 divisors (see below), whose sum is σ = 318947328000. Its totient is φ = 30274425216.

The previous prime is 122130747097. The next prime is 122130747131. The reversal of 122130747102 is 201747031221.

It is a self number, because there is not a number n which added to its sum of digits gives 122130747102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1271149 + ... + 1363847.

It is an arithmetic number, because the mean of its divisors is an integer number (2491776000).

Almost surely, 2122130747102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122130747102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159473664000).

122130747102 is an abundant number, since it is smaller than the sum of its proper divisors (196816580898).

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

122130747102 is a wasteful number, since it uses less digits than its factorization.

122130747102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92870.

The product of its (nonzero) digits is 4704, while the sum is 30.

Adding to 122130747102 its reverse (201747031221), we get a palindrome (323877778323).

The spelling of 122130747102 in words is "one hundred twenty-two billion, one hundred thirty million, seven hundred forty-seven thousand, one hundred two".

Divisors: 1 2 3 6 7 13 14 19 21 26 38 39 42 57 78 91 114 127 133 182 247 254 266 273 381 399 494 546 741 762 798 889 1482 1651 1729 1778 2413 2667 3302 3458 4826 4953 5187 5334 7239 9906 10374 11557 14478 16891 23114 31369 33782 34671 50673 62738 69342 92699 94107 101346 185398 188214 219583 278097 439166 556194 648893 658749 1205087 1297786 1317498 1761281 1946679 2410174 3522562 3615261 3893358 5283843 7230522 8435609 10567686 11772773 12328967 16871218 22896653 23545546 24657934 25306827 35318319 36986901 45793306 50613654 68689959 70636638 73973802 82409411 137379918 153046049 160276571 164818822 223682687 247228233 306092098 320553142 447365374 459138147 480829713 494456466 671048061 918276294 961659426 1071322343 1342096122 1565778809 2142644686 2907874931 3131557618 3213967029 4697336427 5815749862 6427934058 8723624793 9394672854 17447249586 20355124517 40710249034 61065373551 122130747102