Search a number
-
+
30561356062470 = 23513149933014721
BaseRepresentation
bin1101111001011100111101…
…10001011001111100000110
311000012122012110011101110210
412330232132301121330012
513001204124122444340
6144555405415500250
76302661615241302
oct674563661317406
9130178173141423
1030561356062470
119812aa88453a2
123516bb4387686
131408c00c50b1c
1477926b1b8d02
1537ee87226180
hex1bcb9ec59f06

30561356062470 has 128 divisors (see below), whose sum is σ = 74093393088000. Its totient is φ = 8067121920000.

The previous prime is 30561356062469. The next prime is 30561356062511. The reversal of 30561356062470 is 7426065316503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6473489710 + ... + 6473494430.

It is an arithmetic number, because the mean of its divisors is an integer number (578854633500).

Almost surely, 230561356062470 is an apocalyptic number.

30561356062470 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30561356062470 is an abundant number, since it is smaller than the sum of its proper divisors (43532037025530).

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

30561356062470 is a wasteful number, since it uses less digits than its factorization.

30561356062470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8662.

The product of its (nonzero) digits is 2721600, while the sum is 48.

The spelling of 30561356062470 in words is "thirty trillion, five hundred sixty-one billion, three hundred fifty-six million, sixty-two thousand, four hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 131 262 393 499 655 786 998 1310 1497 1965 2495 2994 3301 3930 4721 4990 6602 7485 9442 9903 14163 14970 16505 19806 23605 28326 33010 47210 49515 65369 70815 99030 130738 141630 196107 326845 392214 432431 618451 653690 864862 980535 1236902 1297293 1647199 1855353 1961070 2162155 2355779 2594586 3092255 3294398 3710706 4324310 4711558 4941597 6184510 6486465 7067337 8235995 9276765 9883194 11778895 12972930 14134674 15584021 16471990 18553530 23557790 24707985 31168042 35336685 46752063 49415970 70673370 77920105 93504126 155840210 215783069 233760315 308607049 431566138 467520630 617214098 647349207 925821147 1078915345 1294698414 1543035245 1851642294 2041506751 2157830690 3086070490 3236746035 4083013502 4629105735 6124520253 6473492070 7776426479 9258211470 10207533755 12249040506 15552852958 20415067510 23329279437 30622601265 38882132395 46658558874 61245202530 77764264790 116646397185 233292794370 1018711868749 2037423737498 3056135606247 5093559343745 6112271212494 10187118687490 15280678031235 30561356062470