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6157017431220 = 2235283398990901
BaseRepresentation
bin101100110011000101011…
…0101100011110010110100
3210210121100010112111200210
41121212022311203302310
51301334032430244340
621032254511305420
71203554426441445
oct131461265436264
923717303474623
106157017431220
111a641a3910537
1283533081b270
133587b1709306
141740035572cc
15aa258b76180
hex5998ad63cb4

6157017431220 has 96 divisors (see below), whose sum is σ = 17305093733760. Its totient is φ = 1635641510400.

The previous prime is 6157017431197. The next prime is 6157017431231. The reversal of 6157017431220 is 221347107516.

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, 67687770 + ... + 67778670.

It is an arithmetic number, because the mean of its divisors is an integer number (180261393060).

Almost surely, 26157017431220 is an apocalyptic number.

6157017431220 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6157017431220 is an abundant number, since it is smaller than the sum of its proper divisors (11148076302540).

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

6157017431220 is a wasteful number, since it uses less digits than its factorization.

6157017431220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95185 (or 95183 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 39.

The spelling of 6157017431220 in words is "six trillion, one hundred fifty-seven billion, seventeen million, four hundred thirty-one thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 283 566 849 1132 1415 1698 2830 3396 3989 4245 5660 7978 8490 11967 15956 16980 19945 23934 39890 47868 59835 79780 90901 119670 181802 239340 272703 363604 454505 545406 909010 1090812 1128887 1363515 1818020 2257774 2727030 3386661 4515548 5454060 5644435 6773322 11288870 13546644 16933305 22577740 25724983 33866610 51449966 67733220 77174949 102899932 128624915 154349898 257249830 308699796 362604089 385874745 514499660 725208178 771749490 1087812267 1450416356 1543498980 1813020445 2175624534 3626040890 4351249068 5439061335 7252081780 10878122670 21756245340 102616957187 205233914374 307850871561 410467828748 513084785935 615701743122 1026169571870 1231403486244 1539254357805 2052339143740 3078508715610 6157017431220