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10030121542420 = 225731274551223
BaseRepresentation
bin1001000111110101000111…
…0101001110001100010100
31022111212111102020011001121
42101331101311032030110
52303313142103324140
633155435122133324
72053436522260240
oct221752165161424
938455442204047
1010030121542420
113217829142731
12115baa34b1244
13579ab47675c5
14269663775420
15125d8e57964a
hex91f51d4e314

10030121542420 has 72 divisors (see below), whose sum is σ = 24873866785152. Its totient is φ = 3327966550080.

The previous prime is 10030121542417. The next prime is 10030121542421. The reversal of 10030121542420 is 2424512103001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10030121542421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37141072 + ... + 37410151.

It is an arithmetic number, because the mean of its divisors is an integer number (345470372016).

Almost surely, 210030121542420 is an apocalyptic number.

10030121542420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10030121542420 is an abundant number, since it is smaller than the sum of its proper divisors (14843745242732).

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

10030121542420 is a wasteful number, since it uses less digits than its factorization.

10030121542420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74551301 (or 74551268 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 10030121542420 its reverse (2424512103001), we get a palindrome (12454633645421).

The spelling of 10030121542420 in words is "ten trillion, thirty billion, one hundred twenty-one million, five hundred forty-two thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 31 35 62 70 124 140 155 217 310 434 620 868 961 1085 1922 2170 3844 4340 4805 6727 9610 13454 19220 26908 33635 67270 134540 74551223 149102446 298204892 372756115 521858561 745512230 1043717122 1491024460 2087434244 2311087913 2609292805 4622175826 5218585610 9244351652 10437171220 11555439565 16177615391 23110879130 32355230782 46221758260 64710461564 71643725303 80888076955 143287450606 161776153910 286574901212 323552307820 358218626515 501506077121 716437253030 1003012154242 1432874506060 2006024308484 2507530385605 5015060771210 10030121542420