Search a number
-
+
157222156070 = 25721732238317
BaseRepresentation
bin1001001001101100101…
…0111011011100100110
3120000211002020001111102
42102123022323130212
510033442332443240
6200121000240102
714234053163600
oct2223312733446
9500732201442
10157222156070
116074a898981
1226579470032
1311a978c92a5
147876a1a170
154152b7c815
hex249b2bb726

157222156070 has 96 divisors (see below), whose sum is σ = 332631629568. Its totient is φ = 53346408192.

The previous prime is 157222156033. The next prime is 157222156087. The reversal of 157222156070 is 70651222751.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18899552 + ... + 18907868.

It is an arithmetic number, because the mean of its divisors is an integer number (3464912808).

Almost surely, 2157222156070 is an apocalyptic number.

157222156070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157222156070 is an abundant number, since it is smaller than the sum of its proper divisors (175409473498).

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

157222156070 is a wasteful number, since it uses less digits than its factorization.

157222156070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8734 (or 8727 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 38.

The spelling of 157222156070 in words is "one hundred fifty-seven billion, two hundred twenty-two million, one hundred fifty-six thousand, seventy".

Divisors: 1 2 5 7 10 14 35 49 70 98 173 223 245 346 446 490 865 1115 1211 1561 1730 2230 2422 3122 6055 7805 8317 8477 10927 12110 15610 16634 16954 21854 38579 41585 42385 54635 58219 77158 83170 84770 109270 116438 192895 270053 291095 385790 407533 540106 582190 815066 1350265 1438841 1854691 1890371 2037665 2700530 2877682 3709382 3780742 4075330 7194205 9273455 9451855 10071887 12982837 14388410 18546910 18903710 20143774 25965674 50359435 64914185 70503209 90879859 100718870 129828370 141006418 181759718 320861543 352516045 454399295 641723086 705032090 908798590 1604307715 2246030801 3208615430 4492061602 11230154005 15722215607 22460308010 31444431214 78611078035 157222156070