Search a number
-
+
7148947050 = 2325272269507
BaseRepresentation
bin1101010100001110…
…00100011001101010
3200110020000010201200
412222013010121222
5104120112301200
63141214425030
7342105022140
oct65207043152
920406003650
107148947050
113039437803
121476202176
1389c1267ab
144bb64d590
152bc93b800
hex1aa1c466a

7148947050 has 72 divisors (see below), whose sum is σ = 21950681376. Its totient is φ = 1634044320.

The previous prime is 7148947037. The next prime is 7148947063. The reversal of 7148947050 is 507498417.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7148947037) and next prime (7148947063).

It is a super-2 number, since 2×71489470502 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 7148946987 and 7148947005.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1131604 + ... + 1137903.

Almost surely, 27148947050 is an apocalyptic number.

7148947050 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

7148947050 is an abundant number, since it is smaller than the sum of its proper divisors (14801734326).

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

7148947050 is a wasteful number, since it uses less digits than its factorization.

7148947050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2269532 (or 2269524 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The square root of 7148947050 is about 84551.4461733210. The cubic root of 7148947050 is about 1926.4039502349.

The spelling of 7148947050 in words is "seven billion, one hundred forty-eight million, nine hundred forty-seven thousand, fifty".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 25 30 35 42 45 50 63 70 75 90 105 126 150 175 210 225 315 350 450 525 630 1050 1575 3150 2269507 4539014 6808521 11347535 13617042 15886549 20425563 22695070 31773098 34042605 40851126 47659647 56737675 68085210 79432745 95319294 102127815 113475350 142978941 158865490 170213025 204255630 238298235 285957882 340426050 397163725 476596470 510639075 714894705 794327450 1021278150 1191491175 1429789410 2382982350 3574473525 7148947050