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131025150260 = 225171938352957
BaseRepresentation
bin111101000000110110…
…1010010000100110100
3110112012100221021101222
41322001231102010310
54121314414302020
6140105255405512
712315632254424
oct1720155220464
9415170837358
10131025150260
1150627310754
1221488083898
13c4813a9414
1464ad6c2484
15361cd61b25
hex1e81b52134

131025150260 has 96 divisors (see below), whose sum is σ = 307478384640. Its totient is φ = 46608058368.

The previous prime is 131025150247. The next prime is 131025150283. The reversal of 131025150260 is 62051520131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2447702 + ... + 2500658.

It is an arithmetic number, because the mean of its divisors is an integer number (3202899840).

Almost surely, 2131025150260 is an apocalyptic number.

131025150260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131025150260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153739192320).

131025150260 is an abundant number, since it is smaller than the sum of its proper divisors (176453234380).

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

131025150260 is a wasteful number, since it uses less digits than its factorization.

131025150260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53385 (or 53383 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 131025150260 its reverse (62051520131), we get a palindrome (193076670391).

The spelling of 131025150260 in words is "one hundred thirty-one billion, twenty-five million, one hundred fifty thousand, two hundred sixty".

Divisors: 1 2 4 5 10 17 19 20 34 38 68 76 85 95 170 190 323 340 380 383 646 766 1292 1532 1615 1915 3230 3830 6460 6511 7277 7660 13022 14554 26044 29108 32555 36385 52957 65110 72770 105914 123709 130220 145540 211828 247418 264785 494836 529570 618545 900269 1006183 1059140 1237090 1800538 2012366 2474180 3601076 4024732 4501345 5030915 9002690 10061830 17105111 18005380 20123660 20282531 34210222 40565062 68420444 81130124 85525555 101412655 171051110 202825310 342102220 344803027 385368089 405650620 689606054 770736178 1379212108 1541472356 1724015135 1926840445 3448030270 3853680890 6551257513 6896060540 7707361780 13102515026 26205030052 32756287565 65512575130 131025150260