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157743702228 = 223723235134729
BaseRepresentation
bin1001001011101001000…
…0011110000011010100
3120002011102121100022210
42102322100132003110
510041024341432403
6200244430553420
714253015226410
oct2227220360324
9502142540283
10157743702228
1160998231262
12266a4068870
1311b4b986498
1478c5dbdd40
15418384eb03
hex24ba41e0d4

157743702228 has 96 divisors (see below), whose sum is σ = 439138344960. Its totient is φ = 43090502400.

The previous prime is 157743702199. The next prime is 157743702331. The reversal of 157743702228 is 822207347751.

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, 4524768 + ... + 4559496.

It is an arithmetic number, because the mean of its divisors is an integer number (4574357760).

Almost surely, 2157743702228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157743702228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219569172480).

157743702228 is an abundant number, since it is smaller than the sum of its proper divisors (281394642732).

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

157743702228 is a wasteful number, since it uses less digits than its factorization.

157743702228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37117 (or 37115 counting only the distinct ones).

The product of its (nonzero) digits is 1317120, while the sum is 48.

The spelling of 157743702228 in words is "one hundred fifty-seven billion, seven hundred forty-three million, seven hundred two thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 23 28 42 46 69 84 92 138 161 276 322 483 644 966 1932 2351 4702 7053 9404 14106 16457 28212 32914 34729 49371 54073 65828 69458 98742 104187 108146 138916 162219 197484 208374 216292 243103 324438 378511 416748 486206 648876 729309 757022 798767 972412 1135533 1458618 1514044 1597534 2271066 2396301 2917236 3195068 4542132 4792602 5591369 9585204 11182738 16774107 22365476 33548214 67096428 81647879 163295758 244943637 326591516 489887274 571535153 979774548 1143070306 1714605459 1877901217 2286140612 3429210918 3755802434 5633703651 6858421836 7511604868 11267407302 13145308519 22534814604 26290617038 39435925557 52581234076 78871851114 157743702228